Home / 3,132.18-4,334.85-2,691.54

Finding the Fourth Proportional to 3,132.18, 4,334.85 and 2,691.54

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Solution

The fourth proportional to 3,132.18, 4,334.85 and 2,691.54 is: 3,725.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.18 : 4,334.85 = 2,691.54 : x
  2. Step 2: Convert to fraction form
    3,132.18/4,334.85 = 2,691.54/x
  3. Step 3: Cross multiply
    3,132.18x = 4,334.85 × 2,691.54
  4. Step 4: Simplify right side
    3,132.18x = 11,667,422.17
  5. Step 5: Solve for x
    x = 11,667,422.17/3,132.18
  6. Step 6: Final answer
    x = 3,725.02

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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.