Home / 3,282.27-4,920.90-1,639.97

Finding the Fourth Proportional to 3,282.27, 4,920.90 and 1,639.97

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Solution

The fourth proportional to 3,282.27, 4,920.90 and 1,639.97 is: 2,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.27 : 4,920.90 = 1,639.97 : x
  2. Step 2: Convert to fraction form
    3,282.27/4,920.90 = 1,639.97/x
  3. Step 3: Cross multiply
    3,282.27x = 4,920.90 × 1,639.97
  4. Step 4: Simplify right side
    3,282.27x = 8,070,111.97
  5. Step 5: Solve for x
    x = 8,070,111.97/3,282.27
  6. Step 6: Final answer
    x = 2,458.70

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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.