Home / 3,251.28-4,487.61-1,925.38

Finding the Fourth Proportional to 3,251.28, 4,487.61 and 1,925.38

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Solution

The fourth proportional to 3,251.28, 4,487.61 and 1,925.38 is: 2,657.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.28 : 4,487.61 = 1,925.38 : x
  2. Step 2: Convert to fraction form
    3,251.28/4,487.61 = 1,925.38/x
  3. Step 3: Cross multiply
    3,251.28x = 4,487.61 × 1,925.38
  4. Step 4: Simplify right side
    3,251.28x = 8,640,354.54
  5. Step 5: Solve for x
    x = 8,640,354.54/3,251.28
  6. Step 6: Final answer
    x = 2,657.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.