Home / 1,134.52-1,567.38-1,081.24

Finding the Fourth Proportional to 1,134.52, 1,567.38 and 1,081.24

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Solution

The fourth proportional to 1,134.52, 1,567.38 and 1,081.24 is: 1,493.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.52 : 1,567.38 = 1,081.24 : x
  2. Step 2: Convert to fraction form
    1,134.52/1,567.38 = 1,081.24/x
  3. Step 3: Cross multiply
    1,134.52x = 1,567.38 × 1,081.24
  4. Step 4: Simplify right side
    1,134.52x = 1,694,713.95
  5. Step 5: Solve for x
    x = 1,694,713.95/1,134.52
  6. Step 6: Final answer
    x = 1,493.77

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Double scale
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1.5x scale

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.