Home / 3,532.80-5,293.20-2,141.88

Finding the Fourth Proportional to 3,532.80, 5,293.20 and 2,141.88

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Solution

The fourth proportional to 3,532.80, 5,293.20 and 2,141.88 is: 3,209.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532.80 : 5,293.20 = 2,141.88 : x
  2. Step 2: Convert to fraction form
    3,532.80/5,293.20 = 2,141.88/x
  3. Step 3: Cross multiply
    3,532.80x = 5,293.20 × 2,141.88
  4. Step 4: Simplify right side
    3,532.80x = 11,337,399.22
  5. Step 5: Solve for x
    x = 11,337,399.22/3,532.80
  6. Step 6: Final answer
    x = 3,209.18

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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.