Home / 2,229.91-3,340.54-1,729.95

Finding the Fourth Proportional to 2,229.91, 3,340.54 and 1,729.95

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Solution

The fourth proportional to 2,229.91, 3,340.54 and 1,729.95 is: 2,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.91 : 3,340.54 = 1,729.95 : x
  2. Step 2: Convert to fraction form
    2,229.91/3,340.54 = 1,729.95/x
  3. Step 3: Cross multiply
    2,229.91x = 3,340.54 × 1,729.95
  4. Step 4: Simplify right side
    2,229.91x = 5,778,963.67
  5. Step 5: Solve for x
    x = 5,778,963.67/2,229.91
  6. Step 6: Final answer
    x = 2,591.57

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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.