Home / 3,382.20-4,667.32-1,966

Finding the Fourth Proportional to 3,382.20, 4,667.32 and 1,966

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Solution

The fourth proportional to 3,382.20, 4,667.32 and 1,966 is: 2,713.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.20 : 4,667.32 = 1,966 : x
  2. Step 2: Convert to fraction form
    3,382.20/4,667.32 = 1,966/x
  3. Step 3: Cross multiply
    3,382.20x = 4,667.32 × 1,966
  4. Step 4: Simplify right side
    3,382.20x = 9,175,951.12
  5. Step 5: Solve for x
    x = 9,175,951.12/3,382.20
  6. Step 6: Final answer
    x = 2,713.01

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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.