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Finding the Fourth Proportional to 2,773.96, 4,162.17 and 1,475.53

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Solution

The fourth proportional to 2,773.96, 4,162.17 and 1,475.53 is: 2,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.96 : 4,162.17 = 1,475.53 : x
  2. Step 2: Convert to fraction form
    2,773.96/4,162.17 = 1,475.53/x
  3. Step 3: Cross multiply
    2,773.96x = 4,162.17 × 1,475.53
  4. Step 4: Simplify right side
    2,773.96x = 6,141,406.70
  5. Step 5: Solve for x
    x = 6,141,406.70/2,773.96
  6. Step 6: Final answer
    x = 2,213.95

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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.