Home / 3,188.28-4,397.84-2,191.83

Finding the Fourth Proportional to 3,188.28, 4,397.84 and 2,191.83

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Solution

The fourth proportional to 3,188.28, 4,397.84 and 2,191.83 is: 3,023.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.28 : 4,397.84 = 2,191.83 : x
  2. Step 2: Convert to fraction form
    3,188.28/4,397.84 = 2,191.83/x
  3. Step 3: Cross multiply
    3,188.28x = 4,397.84 × 2,191.83
  4. Step 4: Simplify right side
    3,188.28x = 9,639,321.19
  5. Step 5: Solve for x
    x = 9,639,321.19/3,188.28
  6. Step 6: Final answer
    x = 3,023.36

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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.