Home / 3,378.29-5,069.99-2,207.97

Finding the Fourth Proportional to 3,378.29, 5,069.99 and 2,207.97

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Solution

The fourth proportional to 3,378.29, 5,069.99 and 2,207.97 is: 3,313.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.29 : 5,069.99 = 2,207.97 : x
  2. Step 2: Convert to fraction form
    3,378.29/5,069.99 = 2,207.97/x
  3. Step 3: Cross multiply
    3,378.29x = 5,069.99 × 2,207.97
  4. Step 4: Simplify right side
    3,378.29x = 11,194,391.34
  5. Step 5: Solve for x
    x = 11,194,391.34/3,378.29
  6. Step 6: Final answer
    x = 3,313.63

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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.