Home / 3,229.83-4,845.25-1,380.95

Finding the Fourth Proportional to 3,229.83, 4,845.25 and 1,380.95

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Solution

The fourth proportional to 3,229.83, 4,845.25 and 1,380.95 is: 2,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.83 : 4,845.25 = 1,380.95 : x
  2. Step 2: Convert to fraction form
    3,229.83/4,845.25 = 1,380.95/x
  3. Step 3: Cross multiply
    3,229.83x = 4,845.25 × 1,380.95
  4. Step 4: Simplify right side
    3,229.83x = 6,691,047.99
  5. Step 5: Solve for x
    x = 6,691,047.99/3,229.83
  6. Step 6: Final answer
    x = 2,071.64

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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.