Home / 3,391.70-5,087.55-2,456.15

Finding the Fourth Proportional to 3,391.70, 5,087.55 and 2,456.15

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Solution

The fourth proportional to 3,391.70, 5,087.55 and 2,456.15 is: 3,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.70 : 5,087.55 = 2,456.15 : x
  2. Step 2: Convert to fraction form
    3,391.70/5,087.55 = 2,456.15/x
  3. Step 3: Cross multiply
    3,391.70x = 5,087.55 × 2,456.15
  4. Step 4: Simplify right side
    3,391.70x = 12,495,785.93
  5. Step 5: Solve for x
    x = 12,495,785.93/3,391.70
  6. Step 6: Final answer
    x = 3,684.23

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Similar ratio
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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.