Home / 3,425.31-4,724.19-2,305.53

Finding the Fourth Proportional to 3,425.31, 4,724.19 and 2,305.53

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Solution

The fourth proportional to 3,425.31, 4,724.19 and 2,305.53 is: 3,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.31 : 4,724.19 = 2,305.53 : x
  2. Step 2: Convert to fraction form
    3,425.31/4,724.19 = 2,305.53/x
  3. Step 3: Cross multiply
    3,425.31x = 4,724.19 × 2,305.53
  4. Step 4: Simplify right side
    3,425.31x = 10,891,761.77
  5. Step 5: Solve for x
    x = 10,891,761.77/3,425.31
  6. Step 6: Final answer
    x = 3,179.79

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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.