Home / 3,247.69-4,479.29-2,982.96

Finding the Fourth Proportional to 3,247.69, 4,479.29 and 2,982.96

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Solution

The fourth proportional to 3,247.69, 4,479.29 and 2,982.96 is: 4,114.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.69 : 4,479.29 = 2,982.96 : x
  2. Step 2: Convert to fraction form
    3,247.69/4,479.29 = 2,982.96/x
  3. Step 3: Cross multiply
    3,247.69x = 4,479.29 × 2,982.96
  4. Step 4: Simplify right side
    3,247.69x = 13,361,542.90
  5. Step 5: Solve for x
    x = 13,361,542.90/3,247.69
  6. Step 6: Final answer
    x = 4,114.17

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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.