Home / 2,539.47-3,502.92-1,545.43

Finding the Fourth Proportional to 2,539.47, 3,502.92 and 1,545.43

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Solution

The fourth proportional to 2,539.47, 3,502.92 and 1,545.43 is: 2,131.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.47 : 3,502.92 = 1,545.43 : x
  2. Step 2: Convert to fraction form
    2,539.47/3,502.92 = 1,545.43/x
  3. Step 3: Cross multiply
    2,539.47x = 3,502.92 × 1,545.43
  4. Step 4: Simplify right side
    2,539.47x = 5,413,517.66
  5. Step 5: Solve for x
    x = 5,413,517.66/2,539.47
  6. Step 6: Final answer
    x = 2,131.75

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1.5x scale

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.