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Finding the Fourth Proportional to 1,777.76, 2,664.50 and 737.24

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Solution

The fourth proportional to 1,777.76, 2,664.50 and 737.24 is: 1,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777.76 : 2,664.50 = 737.24 : x
  2. Step 2: Convert to fraction form
    1,777.76/2,664.50 = 737.24/x
  3. Step 3: Cross multiply
    1,777.76x = 2,664.50 × 737.24
  4. Step 4: Simplify right side
    1,777.76x = 1,964,375.98
  5. Step 5: Solve for x
    x = 1,964,375.98/1,777.76
  6. Step 6: Final answer
    x = 1,104.97

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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.