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Finding the Fourth Proportional to 3,664.74, 5,499.10 and 2,432.74

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Solution

The fourth proportional to 3,664.74, 5,499.10 and 2,432.74 is: 3,650.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.74 : 5,499.10 = 2,432.74 : x
  2. Step 2: Convert to fraction form
    3,664.74/5,499.10 = 2,432.74/x
  3. Step 3: Cross multiply
    3,664.74x = 5,499.10 × 2,432.74
  4. Step 4: Simplify right side
    3,664.74x = 13,377,880.53
  5. Step 5: Solve for x
    x = 13,377,880.53/3,664.74
  6. Step 6: Final answer
    x = 3,650.43

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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.