Home / 2,540.92-3,505.44-1,545.40

Finding the Fourth Proportional to 2,540.92, 3,505.44 and 1,545.40

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Solution

The fourth proportional to 2,540.92, 3,505.44 and 1,545.40 is: 2,132.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.92 : 3,505.44 = 1,545.40 : x
  2. Step 2: Convert to fraction form
    2,540.92/3,505.44 = 1,545.40/x
  3. Step 3: Cross multiply
    2,540.92x = 3,505.44 × 1,545.40
  4. Step 4: Simplify right side
    2,540.92x = 5,417,306.98
  5. Step 5: Solve for x
    x = 5,417,306.98/2,540.92
  6. Step 6: Final answer
    x = 2,132.03

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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.