Home / 3,546.43-5,321.85-1,355.38

Finding the Fourth Proportional to 3,546.43, 5,321.85 and 1,355.38

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Solution

The fourth proportional to 3,546.43, 5,321.85 and 1,355.38 is: 2,033.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.43 : 5,321.85 = 1,355.38 : x
  2. Step 2: Convert to fraction form
    3,546.43/5,321.85 = 1,355.38/x
  3. Step 3: Cross multiply
    3,546.43x = 5,321.85 × 1,355.38
  4. Step 4: Simplify right side
    3,546.43x = 7,213,129.05
  5. Step 5: Solve for x
    x = 7,213,129.05/3,546.43
  6. Step 6: Final answer
    x = 2,033.91

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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.