Home / 3,546.78-5,320.26-949.74

Finding the Fourth Proportional to 3,546.78, 5,320.26 and 949.74

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Solution

The fourth proportional to 3,546.78, 5,320.26 and 949.74 is: 1,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.78 : 5,320.26 = 949.74 : x
  2. Step 2: Convert to fraction form
    3,546.78/5,320.26 = 949.74/x
  3. Step 3: Cross multiply
    3,546.78x = 5,320.26 × 949.74
  4. Step 4: Simplify right side
    3,546.78x = 5,052,863.73
  5. Step 5: Solve for x
    x = 5,052,863.73/3,546.78
  6. Step 6: Final answer
    x = 1,424.63

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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.