Home / 3,957.62-5,461.76-2,540.61

Finding the Fourth Proportional to 3,957.62, 5,461.76 and 2,540.61

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Solution

The fourth proportional to 3,957.62, 5,461.76 and 2,540.61 is: 3,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.62 : 5,461.76 = 2,540.61 : x
  2. Step 2: Convert to fraction form
    3,957.62/5,461.76 = 2,540.61/x
  3. Step 3: Cross multiply
    3,957.62x = 5,461.76 × 2,540.61
  4. Step 4: Simplify right side
    3,957.62x = 13,876,208.43
  5. Step 5: Solve for x
    x = 13,876,208.43/3,957.62
  6. Step 6: Final answer
    x = 3,506.20

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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.