Home / 2,432.30-3,646.10-787.73

Finding the Fourth Proportional to 2,432.30, 3,646.10 and 787.73

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Solution

The fourth proportional to 2,432.30, 3,646.10 and 787.73 is: 1,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.30 : 3,646.10 = 787.73 : x
  2. Step 2: Convert to fraction form
    2,432.30/3,646.10 = 787.73/x
  3. Step 3: Cross multiply
    2,432.30x = 3,646.10 × 787.73
  4. Step 4: Simplify right side
    2,432.30x = 2,872,120.18
  5. Step 5: Solve for x
    x = 2,872,120.18/2,432.30
  6. Step 6: Final answer
    x = 1,180.83

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1.5x scale

Why These Related Problems?

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