Home / 1,151.14-1,726.45-329.24

Finding the Fourth Proportional to 1,151.14, 1,726.45 and 329.24

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Solution

The fourth proportional to 1,151.14, 1,726.45 and 329.24 is: 493.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151.14 : 1,726.45 = 329.24 : x
  2. Step 2: Convert to fraction form
    1,151.14/1,726.45 = 329.24/x
  3. Step 3: Cross multiply
    1,151.14x = 1,726.45 × 329.24
  4. Step 4: Simplify right side
    1,151.14x = 568,416.40
  5. Step 5: Solve for x
    x = 568,416.40/1,151.14
  6. Step 6: Final answer
    x = 493.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.