Home / 3,731.56-5,149.36-2,239.18

Finding the Fourth Proportional to 3,731.56, 5,149.36 and 2,239.18

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Solution

The fourth proportional to 3,731.56, 5,149.36 and 2,239.18 is: 3,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.56 : 5,149.36 = 2,239.18 : x
  2. Step 2: Convert to fraction form
    3,731.56/5,149.36 = 2,239.18/x
  3. Step 3: Cross multiply
    3,731.56x = 5,149.36 × 2,239.18
  4. Step 4: Simplify right side
    3,731.56x = 11,530,312.58
  5. Step 5: Solve for x
    x = 11,530,312.58/3,731.56
  6. Step 6: Final answer
    x = 3,089.95

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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.