Home / 1,126.26-1,552.77-733.14

Finding the Fourth Proportional to 1,126.26, 1,552.77 and 733.14

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Solution

The fourth proportional to 1,126.26, 1,552.77 and 733.14 is: 1,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126.26 : 1,552.77 = 733.14 : x
  2. Step 2: Convert to fraction form
    1,126.26/1,552.77 = 733.14/x
  3. Step 3: Cross multiply
    1,126.26x = 1,552.77 × 733.14
  4. Step 4: Simplify right side
    1,126.26x = 1,138,397.80
  5. Step 5: Solve for x
    x = 1,138,397.80/1,126.26
  6. Step 6: Final answer
    x = 1,010.78

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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.