Home / 3,202.30-4,419.66-2,317.78

Finding the Fourth Proportional to 3,202.30, 4,419.66 and 2,317.78

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Solution

The fourth proportional to 3,202.30, 4,419.66 and 2,317.78 is: 3,198.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.30 : 4,419.66 = 2,317.78 : x
  2. Step 2: Convert to fraction form
    3,202.30/4,419.66 = 2,317.78/x
  3. Step 3: Cross multiply
    3,202.30x = 4,419.66 × 2,317.78
  4. Step 4: Simplify right side
    3,202.30x = 10,243,799.55
  5. Step 5: Solve for x
    x = 10,243,799.55/3,202.30
  6. Step 6: Final answer
    x = 3,198.89

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1.5x scale

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.