Home / 3,748.14-5,171.85-2,175.96

Finding the Fourth Proportional to 3,748.14, 5,171.85 and 2,175.96

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Solution

The fourth proportional to 3,748.14, 5,171.85 and 2,175.96 is: 3,002.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.14 : 5,171.85 = 2,175.96 : x
  2. Step 2: Convert to fraction form
    3,748.14/5,171.85 = 2,175.96/x
  3. Step 3: Cross multiply
    3,748.14x = 5,171.85 × 2,175.96
  4. Step 4: Simplify right side
    3,748.14x = 11,253,738.73
  5. Step 5: Solve for x
    x = 11,253,738.73/3,748.14
  6. Step 6: Final answer
    x = 3,002.49

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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.