Home / 3,742.16-5,614.92-1,432.88

Finding the Fourth Proportional to 3,742.16, 5,614.92 and 1,432.88

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Solution

The fourth proportional to 3,742.16, 5,614.92 and 1,432.88 is: 2,149.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.16 : 5,614.92 = 1,432.88 : x
  2. Step 2: Convert to fraction form
    3,742.16/5,614.92 = 1,432.88/x
  3. Step 3: Cross multiply
    3,742.16x = 5,614.92 × 1,432.88
  4. Step 4: Simplify right side
    3,742.16x = 8,045,506.57
  5. Step 5: Solve for x
    x = 8,045,506.57/3,742.16
  6. Step 6: Final answer
    x = 2,149.96

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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.