| Date | 2 August 1984 |
|---|---|
| Location | Olympic Swim Stadium, University of Southern California, Los Angeles, California |
| Pos | Lane | Competitors | NOC | Time | Split | Exchange | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Australia |  AUS | 3:19.94 | – (–) | – (–) | |||
| Lead-off | – | Neil Brooks | – | 50.36 (1) | – (–) | ||||
| 2nd Leg | – | Greg Fasala | – | 50.35 (2) | 1:40.71 (2) | ||||
| 3rd Leg | – | Michael Delany | – | 50.03 (2) | 2:30.74 (2) | ||||
| Anchor | – | Mark Stockwell | – | 49.20 (1) | – (–) | ||||
| 2 | 4 | United States |  USA | 3:20.14 | – (–) | – (–) | |||
| Lead-off | – | Matt Biondi | – | 50.50 (2) | – (–) | ||||
| 2nd Leg | – | Chris Cavanaugh | – | 49.94 (1) | 1:40.44 (1) | ||||
| 3rd Leg | – | Tom Jager | – | 49.89 (1) | 2:30.33 (1) | ||||
| Anchor | – | Robin Leamy | – | 49.81 (2) | – (–) | ||||
| 3 | 6 | Great Britain |  GBR | 3:24.59 | – (–) | – (–) | |||
| Lead-off | – | David Lowe | – | 51.51 (5) | – (–) | ||||
| 2nd Leg | – | Roland Lee | – | 51.37 (4) | 1:42.88 (3) | ||||
| 3rd Leg | – | Paul Easter | – | 51.03 (4) | 2:33.91 (3) | ||||
| Anchor | – | Richard Burrell | – | 50.68 (3) | – (–) | ||||
| 4 | 8 | Italy |  ITA | 3:25.37 | – (–) | – (–) | |||
| Lead-off | – | Marcello Guarducci | – | 51.49 (4) | – (–) | ||||
| 2nd Leg | – | Raffaele Franceschi | – | 51.51 (5) | 1:43.00 (5) | ||||
| 3rd Leg | – | Metello Savino | – | 51.00 (3) | 2:34.00 (4) | ||||
| Anchor | – | Marco Colombo | – | 51.37 (4) | – (–) | ||||
| 5 | 3 | Canada |  CAN | 3:25.94 | – (–) | – (–) | |||
| Lead-off | – | Sandy Goss | – | 51.82 (6) | – (–) | ||||
| 2nd Leg | – | Alex Baumann | – | 51.14 (3) | 1:42.96 (4) | ||||
| 3rd Leg | – | Blair Hicken | – | 51.23 (5) | 2:34.19 (5) | ||||
| Anchor | – | Levente Mady | – | 51.75 (5) | – (–) | ||||
| 6 | 2 | Singapore |  SGP | 3:34.63 | – (–) | – (–) | |||
| Lead-off | – | Ang Peng Siong | – | 51.18 (3) | – (–) | ||||
| 2nd Leg | – | Oon Jin Teik | – | 54.53 (7) | 1:45.71 (6) | ||||
| 3rd Leg | – | David Lim | – | 54.70 (7) | 2:40.41 (6) | ||||
| Anchor | – | Oon Jin Gee | – | 54.22 (6) | – (–) | ||||
| 7 | 7 | Turkey |  TUR | 3:36.54 | – (–) | – (–) | |||
| Lead-off | – | Kemal Sadri Özün | – | 53.50 (7) | – (–) | ||||
| 2nd Leg | – | İhsan Sabri Özün | – | 53.94 (6) | 1:47.44 (7) | ||||
| 3rd Leg | – | Ahmet Nakkaş | – | 54.59 (6) | 2:42.03 (7) | ||||
| Anchor | – | Gökhan Attaroğlu | – | 54.51 (7) | – (–) | ||||
| 8 | 1 | Guatemala |  GUA | 3:52.18 | – (–) | – (–) | |||
| Lead-off | – | Rodrigo Leal | – | 58.39 (8) | – (–) | ||||
| 2nd Leg | – | Fernando Marroquín | – | 58.33 (8) | 1:56.72 (8) | ||||
| 3rd Leg | – | Roberto Granados | – | 58.56 (8) | 2:55.28 (8) | ||||
| Anchor | – | Ernesto José Degenhart | – | 56.90 (8) | – (–) |
