Home / 2,540.61-3,505.23-1,545.66

Finding the Fourth Proportional to 2,540.61, 3,505.23 and 1,545.66

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Solution

The fourth proportional to 2,540.61, 3,505.23 and 1,545.66 is: 2,132.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.61 : 3,505.23 = 1,545.66 : x
  2. Step 2: Convert to fraction form
    2,540.61/3,505.23 = 1,545.66/x
  3. Step 3: Cross multiply
    2,540.61x = 3,505.23 × 1,545.66
  4. Step 4: Simplify right side
    2,540.61x = 5,417,893.80
  5. Step 5: Solve for x
    x = 5,417,893.80/2,540.61
  6. Step 6: Final answer
    x = 2,132.52

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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.