Home / 3,959.96-5,464.26-2,281.91

Finding the Fourth Proportional to 3,959.96, 5,464.26 and 2,281.91

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Solution

The fourth proportional to 3,959.96, 5,464.26 and 2,281.91 is: 3,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.96 : 5,464.26 = 2,281.91 : x
  2. Step 2: Convert to fraction form
    3,959.96/5,464.26 = 2,281.91/x
  3. Step 3: Cross multiply
    3,959.96x = 5,464.26 × 2,281.91
  4. Step 4: Simplify right side
    3,959.96x = 12,468,934.15
  5. Step 5: Solve for x
    x = 12,468,934.15/3,959.96
  6. Step 6: Final answer
    x = 3,148.76

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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.