Home / 3,192.20-4,785.45-1,243.95

Finding the Fourth Proportional to 3,192.20, 4,785.45 and 1,243.95

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Solution

The fourth proportional to 3,192.20, 4,785.45 and 1,243.95 is: 1,864.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.20 : 4,785.45 = 1,243.95 : x
  2. Step 2: Convert to fraction form
    3,192.20/4,785.45 = 1,243.95/x
  3. Step 3: Cross multiply
    3,192.20x = 4,785.45 × 1,243.95
  4. Step 4: Simplify right side
    3,192.20x = 5,952,860.53
  5. Step 5: Solve for x
    x = 5,952,860.53/3,192.20
  6. Step 6: Final answer
    x = 1,864.82

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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.