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Finding the Fourth Proportional to 1,374.09, 2,060.16 and 496.17

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Solution

The fourth proportional to 1,374.09, 2,060.16 and 496.17 is: 743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374.09 : 2,060.16 = 496.17 : x
  2. Step 2: Convert to fraction form
    1,374.09/2,060.16 = 496.17/x
  3. Step 3: Cross multiply
    1,374.09x = 2,060.16 × 496.17
  4. Step 4: Simplify right side
    1,374.09x = 1,022,189.59
  5. Step 5: Solve for x
    x = 1,022,189.59/1,374.09
  6. Step 6: Final answer
    x = 743.90

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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.