Home / 1,342.24-2,011.92-794.56

Finding the Fourth Proportional to 1,342.24, 2,011.92 and 794.56

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Solution

The fourth proportional to 1,342.24, 2,011.92 and 794.56 is: 1,190.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.24 : 2,011.92 = 794.56 : x
  2. Step 2: Convert to fraction form
    1,342.24/2,011.92 = 794.56/x
  3. Step 3: Cross multiply
    1,342.24x = 2,011.92 × 794.56
  4. Step 4: Simplify right side
    1,342.24x = 1,598,591.16
  5. Step 5: Solve for x
    x = 1,598,591.16/1,342.24
  6. Step 6: Final answer
    x = 1,190.99

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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.