Home / 1,442.82-2,159.61-1,151.82

Finding the Fourth Proportional to 1,442.82, 2,159.61 and 1,151.82

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Solution

The fourth proportional to 1,442.82, 2,159.61 and 1,151.82 is: 1,724.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442.82 : 2,159.61 = 1,151.82 : x
  2. Step 2: Convert to fraction form
    1,442.82/2,159.61 = 1,151.82/x
  3. Step 3: Cross multiply
    1,442.82x = 2,159.61 × 1,151.82
  4. Step 4: Simplify right side
    1,442.82x = 2,487,481.99
  5. Step 5: Solve for x
    x = 2,487,481.99/1,442.82
  6. Step 6: Final answer
    x = 1,724.04

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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.