Home / 3,188.92-4,778.72-2,266.28

Finding the Fourth Proportional to 3,188.92, 4,778.72 and 2,266.28

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Solution

The fourth proportional to 3,188.92, 4,778.72 and 2,266.28 is: 3,396.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.92 : 4,778.72 = 2,266.28 : x
  2. Step 2: Convert to fraction form
    3,188.92/4,778.72 = 2,266.28/x
  3. Step 3: Cross multiply
    3,188.92x = 4,778.72 × 2,266.28
  4. Step 4: Simplify right side
    3,188.92x = 10,829,917.56
  5. Step 5: Solve for x
    x = 10,829,917.56/3,188.92
  6. Step 6: Final answer
    x = 3,396.11

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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.