Home / 2,540.27-3,811.17-1,207.07

Finding the Fourth Proportional to 2,540.27, 3,811.17 and 1,207.07

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Solution

The fourth proportional to 2,540.27, 3,811.17 and 1,207.07 is: 1,810.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.27 : 3,811.17 = 1,207.07 : x
  2. Step 2: Convert to fraction form
    2,540.27/3,811.17 = 1,207.07/x
  3. Step 3: Cross multiply
    2,540.27x = 3,811.17 × 1,207.07
  4. Step 4: Simplify right side
    2,540.27x = 4,600,348.97
  5. Step 5: Solve for x
    x = 4,600,348.97/2,540.27
  6. Step 6: Final answer
    x = 1,810.97

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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.