Home / 1,224.85-1,839.63-1,049.54

Finding the Fourth Proportional to 1,224.85, 1,839.63 and 1,049.54

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Solution

The fourth proportional to 1,224.85, 1,839.63 and 1,049.54 is: 1,576.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.85 : 1,839.63 = 1,049.54 : x
  2. Step 2: Convert to fraction form
    1,224.85/1,839.63 = 1,049.54/x
  3. Step 3: Cross multiply
    1,224.85x = 1,839.63 × 1,049.54
  4. Step 4: Simplify right side
    1,224.85x = 1,930,778.85
  5. Step 5: Solve for x
    x = 1,930,778.85/1,224.85
  6. Step 6: Final answer
    x = 1,576.34

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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.