Home / 3,205.12-4,796.52-2,218.96

Finding the Fourth Proportional to 3,205.12, 4,796.52 and 2,218.96

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Solution

The fourth proportional to 3,205.12, 4,796.52 and 2,218.96 is: 3,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.12 : 4,796.52 = 2,218.96 : x
  2. Step 2: Convert to fraction form
    3,205.12/4,796.52 = 2,218.96/x
  3. Step 3: Cross multiply
    3,205.12x = 4,796.52 × 2,218.96
  4. Step 4: Simplify right side
    3,205.12x = 10,643,286.02
  5. Step 5: Solve for x
    x = 10,643,286.02/3,205.12
  6. Step 6: Final answer
    x = 3,320.71

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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.