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Finding the Fourth Proportional to 2,545.33, 3,512.15 and 1,550.92

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Solution

The fourth proportional to 2,545.33, 3,512.15 and 1,550.92 is: 2,140.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.33 : 3,512.15 = 1,550.92 : x
  2. Step 2: Convert to fraction form
    2,545.33/3,512.15 = 1,550.92/x
  3. Step 3: Cross multiply
    2,545.33x = 3,512.15 × 1,550.92
  4. Step 4: Simplify right side
    2,545.33x = 5,447,063.68
  5. Step 5: Solve for x
    x = 5,447,063.68/2,545.33
  6. Step 6: Final answer
    x = 2,140.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.