Home / 1,791.11-2,469.45-1,160.54

Finding the Fourth Proportional to 1,791.11, 2,469.45 and 1,160.54

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Solution

The fourth proportional to 1,791.11, 2,469.45 and 1,160.54 is: 1,600.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.11 : 2,469.45 = 1,160.54 : x
  2. Step 2: Convert to fraction form
    1,791.11/2,469.45 = 1,160.54/x
  3. Step 3: Cross multiply
    1,791.11x = 2,469.45 × 1,160.54
  4. Step 4: Simplify right side
    1,791.11x = 2,865,895.50
  5. Step 5: Solve for x
    x = 2,865,895.50/1,791.11
  6. Step 6: Final answer
    x = 1,600.07

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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.