Home / 2,732.10-4,098.15-1,637.70

Finding the Fourth Proportional to 2,732.10, 4,098.15 and 1,637.70

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Solution

The fourth proportional to 2,732.10, 4,098.15 and 1,637.70 is: 2,456.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.10 : 4,098.15 = 1,637.70 : x
  2. Step 2: Convert to fraction form
    2,732.10/4,098.15 = 1,637.70/x
  3. Step 3: Cross multiply
    2,732.10x = 4,098.15 × 1,637.70
  4. Step 4: Simplify right side
    2,732.10x = 6,711,540.26
  5. Step 5: Solve for x
    x = 6,711,540.26/2,732.10
  6. Step 6: Final answer
    x = 2,456.55

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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.