Home / 1,126.82-1,554.30-733.83

Finding the Fourth Proportional to 1,126.82, 1,554.30 and 733.83

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Solution

The fourth proportional to 1,126.82, 1,554.30 and 733.83 is: 1,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126.82 : 1,554.30 = 733.83 : x
  2. Step 2: Convert to fraction form
    1,126.82/1,554.30 = 733.83/x
  3. Step 3: Cross multiply
    1,126.82x = 1,554.30 × 733.83
  4. Step 4: Simplify right side
    1,126.82x = 1,140,591.97
  5. Step 5: Solve for x
    x = 1,140,591.97/1,126.82
  6. Step 6: Final answer
    x = 1,012.23

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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.