Home / 2,202.20-3,303.30-558.88

Finding the Fourth Proportional to 2,202.20, 3,303.30 and 558.88

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Solution

The fourth proportional to 2,202.20, 3,303.30 and 558.88 is: 838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.20 : 3,303.30 = 558.88 : x
  2. Step 2: Convert to fraction form
    2,202.20/3,303.30 = 558.88/x
  3. Step 3: Cross multiply
    2,202.20x = 3,303.30 × 558.88
  4. Step 4: Simplify right side
    2,202.20x = 1,846,142.14
  5. Step 5: Solve for x
    x = 1,846,142.14/2,202.20
  6. Step 6: Final answer
    x = 838.32

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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.