Home / 3,414.15-5,120.42-2,318.22

Finding the Fourth Proportional to 3,414.15, 5,120.42 and 2,318.22

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Solution

The fourth proportional to 3,414.15, 5,120.42 and 2,318.22 is: 3,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.15 : 5,120.42 = 2,318.22 : x
  2. Step 2: Convert to fraction form
    3,414.15/5,120.42 = 2,318.22/x
  3. Step 3: Cross multiply
    3,414.15x = 5,120.42 × 2,318.22
  4. Step 4: Simplify right side
    3,414.15x = 11,870,248.46
  5. Step 5: Solve for x
    x = 11,870,248.46/3,414.15
  6. Step 6: Final answer
    x = 3,476.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.