Home / 3,479.73-5,221.94-2,311.08

Finding the Fourth Proportional to 3,479.73, 5,221.94 and 2,311.08

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Solution

The fourth proportional to 3,479.73, 5,221.94 and 2,311.08 is: 3,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.73 : 5,221.94 = 2,311.08 : x
  2. Step 2: Convert to fraction form
    3,479.73/5,221.94 = 2,311.08/x
  3. Step 3: Cross multiply
    3,479.73x = 5,221.94 × 2,311.08
  4. Step 4: Simplify right side
    3,479.73x = 12,068,309.54
  5. Step 5: Solve for x
    x = 12,068,309.54/3,479.73
  6. Step 6: Final answer
    x = 3,468.17

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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.