Home / 3,731.52-5,148.14-2,239.90

Finding the Fourth Proportional to 3,731.52, 5,148.14 and 2,239.90

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Solution

The fourth proportional to 3,731.52, 5,148.14 and 2,239.90 is: 3,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.52 : 5,148.14 = 2,239.90 : x
  2. Step 2: Convert to fraction form
    3,731.52/5,148.14 = 2,239.90/x
  3. Step 3: Cross multiply
    3,731.52x = 5,148.14 × 2,239.90
  4. Step 4: Simplify right side
    3,731.52x = 11,531,318.79
  5. Step 5: Solve for x
    x = 11,531,318.79/3,731.52
  6. Step 6: Final answer
    x = 3,090.25

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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.