Home / 3,747.53-5,171.26-2,175.72

Finding the Fourth Proportional to 3,747.53, 5,171.26 and 2,175.72

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Solution

The fourth proportional to 3,747.53, 5,171.26 and 2,175.72 is: 3,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.53 : 5,171.26 = 2,175.72 : x
  2. Step 2: Convert to fraction form
    3,747.53/5,171.26 = 2,175.72/x
  3. Step 3: Cross multiply
    3,747.53x = 5,171.26 × 2,175.72
  4. Step 4: Simplify right side
    3,747.53x = 11,251,213.81
  5. Step 5: Solve for x
    x = 11,251,213.81/3,747.53
  6. Step 6: Final answer
    x = 3,002.30

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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.