Home / 3,959.83-5,463.95-2,281.31

Finding the Fourth Proportional to 3,959.83, 5,463.95 and 2,281.31

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Solution

The fourth proportional to 3,959.83, 5,463.95 and 2,281.31 is: 3,147.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.83 : 5,463.95 = 2,281.31 : x
  2. Step 2: Convert to fraction form
    3,959.83/5,463.95 = 2,281.31/x
  3. Step 3: Cross multiply
    3,959.83x = 5,463.95 × 2,281.31
  4. Step 4: Simplify right side
    3,959.83x = 12,464,963.77
  5. Step 5: Solve for x
    x = 12,464,963.77/3,959.83
  6. Step 6: Final answer
    x = 3,147.85

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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.