Home / 3,731.90-5,150.22-2,239.88

Finding the Fourth Proportional to 3,731.90, 5,150.22 and 2,239.88

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Solution

The fourth proportional to 3,731.90, 5,150.22 and 2,239.88 is: 3,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.90 : 5,150.22 = 2,239.88 : x
  2. Step 2: Convert to fraction form
    3,731.90/5,150.22 = 2,239.88/x
  3. Step 3: Cross multiply
    3,731.90x = 5,150.22 × 2,239.88
  4. Step 4: Simplify right side
    3,731.90x = 11,535,874.77
  5. Step 5: Solve for x
    x = 11,535,874.77/3,731.90
  6. Step 6: Final answer
    x = 3,091.15

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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.