Home / 2,299.97-3,450.48-839.13

Finding the Fourth Proportional to 2,299.97, 3,450.48 and 839.13

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Solution

The fourth proportional to 2,299.97, 3,450.48 and 839.13 is: 1,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.97 : 3,450.48 = 839.13 : x
  2. Step 2: Convert to fraction form
    2,299.97/3,450.48 = 839.13/x
  3. Step 3: Cross multiply
    2,299.97x = 3,450.48 × 839.13
  4. Step 4: Simplify right side
    2,299.97x = 2,895,398.14
  5. Step 5: Solve for x
    x = 2,895,398.14/2,299.97
  6. Step 6: Final answer
    x = 1,258.88

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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.