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Finding the Fourth Proportional to 3,229.55, 4,456.83 and 1,813.55

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Solution

The fourth proportional to 3,229.55, 4,456.83 and 1,813.55 is: 2,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.55 : 4,456.83 = 1,813.55 : x
  2. Step 2: Convert to fraction form
    3,229.55/4,456.83 = 1,813.55/x
  3. Step 3: Cross multiply
    3,229.55x = 4,456.83 × 1,813.55
  4. Step 4: Simplify right side
    3,229.55x = 8,082,654.96
  5. Step 5: Solve for x
    x = 8,082,654.96/3,229.55
  6. Step 6: Final answer
    x = 2,502.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.