Home / 2,822.20-4,233.30-2,202.55

Finding the Fourth Proportional to 2,822.20, 4,233.30 and 2,202.55

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Solution

The fourth proportional to 2,822.20, 4,233.30 and 2,202.55 is: 3,303.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.20 : 4,233.30 = 2,202.55 : x
  2. Step 2: Convert to fraction form
    2,822.20/4,233.30 = 2,202.55/x
  3. Step 3: Cross multiply
    2,822.20x = 4,233.30 × 2,202.55
  4. Step 4: Simplify right side
    2,822.20x = 9,324,054.92
  5. Step 5: Solve for x
    x = 9,324,054.92/2,822.20
  6. Step 6: Final answer
    x = 3,303.83

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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.