Home / 2,202.21-3,300.48-969.30

Finding the Fourth Proportional to 2,202.21, 3,300.48 and 969.30

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Solution

The fourth proportional to 2,202.21, 3,300.48 and 969.30 is: 1,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.21 : 3,300.48 = 969.30 : x
  2. Step 2: Convert to fraction form
    2,202.21/3,300.48 = 969.30/x
  3. Step 3: Cross multiply
    2,202.21x = 3,300.48 × 969.30
  4. Step 4: Simplify right side
    2,202.21x = 3,199,165.94
  5. Step 5: Solve for x
    x = 3,199,165.94/2,202.21
  6. Step 6: Final answer
    x = 1,452.71

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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.