Home / 3,747.26-5,170.90-2,175.44

Finding the Fourth Proportional to 3,747.26, 5,170.90 and 2,175.44

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Solution

The fourth proportional to 3,747.26, 5,170.90 and 2,175.44 is: 3,001.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.26 : 5,170.90 = 2,175.44 : x
  2. Step 2: Convert to fraction form
    3,747.26/5,170.90 = 2,175.44/x
  3. Step 3: Cross multiply
    3,747.26x = 5,170.90 × 2,175.44
  4. Step 4: Simplify right side
    3,747.26x = 11,248,982.70
  5. Step 5: Solve for x
    x = 11,248,982.70/3,747.26
  6. Step 6: Final answer
    x = 3,001.92

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1.5x scale

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.