Home / 1,545.54-2,131.67-1,073.43

Finding the Fourth Proportional to 1,545.54, 2,131.67 and 1,073.43

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Solution

The fourth proportional to 1,545.54, 2,131.67 and 1,073.43 is: 1,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.54 : 2,131.67 = 1,073.43 : x
  2. Step 2: Convert to fraction form
    1,545.54/2,131.67 = 1,073.43/x
  3. Step 3: Cross multiply
    1,545.54x = 2,131.67 × 1,073.43
  4. Step 4: Simplify right side
    1,545.54x = 2,288,193.16
  5. Step 5: Solve for x
    x = 2,288,193.16/1,545.54
  6. Step 6: Final answer
    x = 1,480.51

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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.