Home / 3,959.44-5,463.30-2,280.61

Finding the Fourth Proportional to 3,959.44, 5,463.30 and 2,280.61

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Solution

The fourth proportional to 3,959.44, 5,463.30 and 2,280.61 is: 3,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.44 : 5,463.30 = 2,280.61 : x
  2. Step 2: Convert to fraction form
    3,959.44/5,463.30 = 2,280.61/x
  3. Step 3: Cross multiply
    3,959.44x = 5,463.30 × 2,280.61
  4. Step 4: Simplify right side
    3,959.44x = 12,459,656.61
  5. Step 5: Solve for x
    x = 12,459,656.61/3,959.44
  6. Step 6: Final answer
    x = 3,146.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.