Home / 2,001.11-2,998.89-1,791.59

Finding the Fourth Proportional to 2,001.11, 2,998.89 and 1,791.59

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Solution

The fourth proportional to 2,001.11, 2,998.89 and 1,791.59 is: 2,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.11 : 2,998.89 = 1,791.59 : x
  2. Step 2: Convert to fraction form
    2,001.11/2,998.89 = 1,791.59/x
  3. Step 3: Cross multiply
    2,001.11x = 2,998.89 × 1,791.59
  4. Step 4: Simplify right side
    2,001.11x = 5,372,766.34
  5. Step 5: Solve for x
    x = 5,372,766.34/2,001.11
  6. Step 6: Final answer
    x = 2,684.90

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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.