Home / 2,729.28-4,094.60-880.61

Finding the Fourth Proportional to 2,729.28, 4,094.60 and 880.61

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Solution

The fourth proportional to 2,729.28, 4,094.60 and 880.61 is: 1,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.28 : 4,094.60 = 880.61 : x
  2. Step 2: Convert to fraction form
    2,729.28/4,094.60 = 880.61/x
  3. Step 3: Cross multiply
    2,729.28x = 4,094.60 × 880.61
  4. Step 4: Simplify right side
    2,729.28x = 3,605,745.71
  5. Step 5: Solve for x
    x = 3,605,745.71/2,729.28
  6. Step 6: Final answer
    x = 1,321.13

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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.