Home / 3,747.44-5,172.60-2,175.92

Finding the Fourth Proportional to 3,747.44, 5,172.60 and 2,175.92

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Solution

The fourth proportional to 3,747.44, 5,172.60 and 2,175.92 is: 3,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.44 : 5,172.60 = 2,175.92 : x
  2. Step 2: Convert to fraction form
    3,747.44/5,172.60 = 2,175.92/x
  3. Step 3: Cross multiply
    3,747.44x = 5,172.60 × 2,175.92
  4. Step 4: Simplify right side
    3,747.44x = 11,255,163.79
  5. Step 5: Solve for x
    x = 11,255,163.79/3,747.44
  6. Step 6: Final answer
    x = 3,003.43

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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.