Home / 2,943.12-4,414.08-1,382.73

Finding the Fourth Proportional to 2,943.12, 4,414.08 and 1,382.73

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Solution

The fourth proportional to 2,943.12, 4,414.08 and 1,382.73 is: 2,073.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.12 : 4,414.08 = 1,382.73 : x
  2. Step 2: Convert to fraction form
    2,943.12/4,414.08 = 1,382.73/x
  3. Step 3: Cross multiply
    2,943.12x = 4,414.08 × 1,382.73
  4. Step 4: Simplify right side
    2,943.12x = 6,103,480.84
  5. Step 5: Solve for x
    x = 6,103,480.84/2,943.12
  6. Step 6: Final answer
    x = 2,073.81

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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.