Home / 1,306.92-1,791.86-1,283.54

Finding the Fourth Proportional to 1,306.92, 1,791.86 and 1,283.54

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Solution

The fourth proportional to 1,306.92, 1,791.86 and 1,283.54 is: 1,759.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306.92 : 1,791.86 = 1,283.54 : x
  2. Step 2: Convert to fraction form
    1,306.92/1,791.86 = 1,283.54/x
  3. Step 3: Cross multiply
    1,306.92x = 1,791.86 × 1,283.54
  4. Step 4: Simplify right side
    1,306.92x = 2,299,908.61
  5. Step 5: Solve for x
    x = 2,299,908.61/1,306.92
  6. Step 6: Final answer
    x = 1,759.79

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.