Home / 3,179.66-4,765.84-1,230.19

Finding the Fourth Proportional to 3,179.66, 4,765.84 and 1,230.19

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Solution

The fourth proportional to 3,179.66, 4,765.84 and 1,230.19 is: 1,843.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.66 : 4,765.84 = 1,230.19 : x
  2. Step 2: Convert to fraction form
    3,179.66/4,765.84 = 1,230.19/x
  3. Step 3: Cross multiply
    3,179.66x = 4,765.84 × 1,230.19
  4. Step 4: Simplify right side
    3,179.66x = 5,862,873.72
  5. Step 5: Solve for x
    x = 5,862,873.72/3,179.66
  6. Step 6: Final answer
    x = 1,843.87

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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.