Home / 3,951.78-5,453.19-2,183.46

Finding the Fourth Proportional to 3,951.78, 5,453.19 and 2,183.46

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Solution

The fourth proportional to 3,951.78, 5,453.19 and 2,183.46 is: 3,013.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.78 : 5,453.19 = 2,183.46 : x
  2. Step 2: Convert to fraction form
    3,951.78/5,453.19 = 2,183.46/x
  3. Step 3: Cross multiply
    3,951.78x = 5,453.19 × 2,183.46
  4. Step 4: Simplify right side
    3,951.78x = 11,906,822.24
  5. Step 5: Solve for x
    x = 11,906,822.24/3,951.78
  6. Step 6: Final answer
    x = 3,013.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.