Home / 3,723.44-5,137.28-2,397.92

Finding the Fourth Proportional to 3,723.44, 5,137.28 and 2,397.92

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Solution

The fourth proportional to 3,723.44, 5,137.28 and 2,397.92 is: 3,308.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.44 : 5,137.28 = 2,397.92 : x
  2. Step 2: Convert to fraction form
    3,723.44/5,137.28 = 2,397.92/x
  3. Step 3: Cross multiply
    3,723.44x = 5,137.28 × 2,397.92
  4. Step 4: Simplify right side
    3,723.44x = 12,318,748.78
  5. Step 5: Solve for x
    x = 12,318,748.78/3,723.44
  6. Step 6: Final answer
    x = 3,308.44

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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.