Home / 3,366.90-5,049.68-1,285.47

Finding the Fourth Proportional to 3,366.90, 5,049.68 and 1,285.47

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Solution

The fourth proportional to 3,366.90, 5,049.68 and 1,285.47 is: 1,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.90 : 5,049.68 = 1,285.47 : x
  2. Step 2: Convert to fraction form
    3,366.90/5,049.68 = 1,285.47/x
  3. Step 3: Cross multiply
    3,366.90x = 5,049.68 × 1,285.47
  4. Step 4: Simplify right side
    3,366.90x = 6,491,205.72
  5. Step 5: Solve for x
    x = 6,491,205.72/3,366.90
  6. Step 6: Final answer
    x = 1,927.95

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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.