Home / 3,523.43-5,286.38-2,205.68

Finding the Fourth Proportional to 3,523.43, 5,286.38 and 2,205.68

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Solution

The fourth proportional to 3,523.43, 5,286.38 and 2,205.68 is: 3,309.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.43 : 5,286.38 = 2,205.68 : x
  2. Step 2: Convert to fraction form
    3,523.43/5,286.38 = 2,205.68/x
  3. Step 3: Cross multiply
    3,523.43x = 5,286.38 × 2,205.68
  4. Step 4: Simplify right side
    3,523.43x = 11,660,025.18
  5. Step 5: Solve for x
    x = 11,660,025.18/3,523.43
  6. Step 6: Final answer
    x = 3,309.28

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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.