Home / 2,839.57-4,257.92-1,299.25

Finding the Fourth Proportional to 2,839.57, 4,257.92 and 1,299.25

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Solution

The fourth proportional to 2,839.57, 4,257.92 and 1,299.25 is: 1,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.57 : 4,257.92 = 1,299.25 : x
  2. Step 2: Convert to fraction form
    2,839.57/4,257.92 = 1,299.25/x
  3. Step 3: Cross multiply
    2,839.57x = 4,257.92 × 1,299.25
  4. Step 4: Simplify right side
    2,839.57x = 5,532,096.06
  5. Step 5: Solve for x
    x = 5,532,096.06/2,839.57
  6. Step 6: Final answer
    x = 1,948.22

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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.