Home / 1,233.24-1,701.09-791.70

Finding the Fourth Proportional to 1,233.24, 1,701.09 and 791.70

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Solution

The fourth proportional to 1,233.24, 1,701.09 and 791.70 is: 1,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.24 : 1,701.09 = 791.70 : x
  2. Step 2: Convert to fraction form
    1,233.24/1,701.09 = 791.70/x
  3. Step 3: Cross multiply
    1,233.24x = 1,701.09 × 791.70
  4. Step 4: Simplify right side
    1,233.24x = 1,346,752.95
  5. Step 5: Solve for x
    x = 1,346,752.95/1,233.24
  6. Step 6: Final answer
    x = 1,092.04

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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.