Home / 2,839.26-4,255.56-2,515.26

Finding the Fourth Proportional to 2,839.26, 4,255.56 and 2,515.26

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Solution

The fourth proportional to 2,839.26, 4,255.56 and 2,515.26 is: 3,769.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.26 : 4,255.56 = 2,515.26 : x
  2. Step 2: Convert to fraction form
    2,839.26/4,255.56 = 2,515.26/x
  3. Step 3: Cross multiply
    2,839.26x = 4,255.56 × 2,515.26
  4. Step 4: Simplify right side
    2,839.26x = 10,703,839.85
  5. Step 5: Solve for x
    x = 10,703,839.85/2,839.26
  6. Step 6: Final answer
    x = 3,769.94

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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.