Home / 1,592.16-2,389.40-727.08

Finding the Fourth Proportional to 1,592.16, 2,389.40 and 727.08

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Solution

The fourth proportional to 1,592.16, 2,389.40 and 727.08 is: 1,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.16 : 2,389.40 = 727.08 : x
  2. Step 2: Convert to fraction form
    1,592.16/2,389.40 = 727.08/x
  3. Step 3: Cross multiply
    1,592.16x = 2,389.40 × 727.08
  4. Step 4: Simplify right side
    1,592.16x = 1,737,284.95
  5. Step 5: Solve for x
    x = 1,737,284.95/1,592.16
  6. Step 6: Final answer
    x = 1,091.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.