Home / 3,717.80-5,131.24-2,538.44

Finding the Fourth Proportional to 3,717.80, 5,131.24 and 2,538.44

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Solution

The fourth proportional to 3,717.80, 5,131.24 and 2,538.44 is: 3,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.80 : 5,131.24 = 2,538.44 : x
  2. Step 2: Convert to fraction form
    3,717.80/5,131.24 = 2,538.44/x
  3. Step 3: Cross multiply
    3,717.80x = 5,131.24 × 2,538.44
  4. Step 4: Simplify right side
    3,717.80x = 13,025,344.87
  5. Step 5: Solve for x
    x = 13,025,344.87/3,717.80
  6. Step 6: Final answer
    x = 3,503.51

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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.