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Finding the Fourth Proportional to 2,729.87, 4,094.66 and 880.95

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Solution

The fourth proportional to 2,729.87, 4,094.66 and 880.95 is: 1,321.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.87 : 4,094.66 = 880.95 : x
  2. Step 2: Convert to fraction form
    2,729.87/4,094.66 = 880.95/x
  3. Step 3: Cross multiply
    2,729.87x = 4,094.66 × 880.95
  4. Step 4: Simplify right side
    2,729.87x = 3,607,190.73
  5. Step 5: Solve for x
    x = 3,607,190.73/2,729.87
  6. Step 6: Final answer
    x = 1,321.38

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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.