Home / 3,487.43-5,229.85-1,146.75

Finding the Fourth Proportional to 3,487.43, 5,229.85 and 1,146.75

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Solution

The fourth proportional to 3,487.43, 5,229.85 and 1,146.75 is: 1,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.43 : 5,229.85 = 1,146.75 : x
  2. Step 2: Convert to fraction form
    3,487.43/5,229.85 = 1,146.75/x
  3. Step 3: Cross multiply
    3,487.43x = 5,229.85 × 1,146.75
  4. Step 4: Simplify right side
    3,487.43x = 5,997,340.74
  5. Step 5: Solve for x
    x = 5,997,340.74/3,487.43
  6. Step 6: Final answer
    x = 1,719.70

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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.