Home / 2,755.29-4,127.73-2,135.97

Finding the Fourth Proportional to 2,755.29, 4,127.73 and 2,135.97

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Solution

The fourth proportional to 2,755.29, 4,127.73 and 2,135.97 is: 3,199.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.29 : 4,127.73 = 2,135.97 : x
  2. Step 2: Convert to fraction form
    2,755.29/4,127.73 = 2,135.97/x
  3. Step 3: Cross multiply
    2,755.29x = 4,127.73 × 2,135.97
  4. Step 4: Simplify right side
    2,755.29x = 8,816,691.97
  5. Step 5: Solve for x
    x = 8,816,691.97/2,755.29
  6. Step 6: Final answer
    x = 3,199.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.