Home / 3,283.71-4,919.98-1,982.44

Finding the Fourth Proportional to 3,283.71, 4,919.98 and 1,982.44

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Solution

The fourth proportional to 3,283.71, 4,919.98 and 1,982.44 is: 2,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.71 : 4,919.98 = 1,982.44 : x
  2. Step 2: Convert to fraction form
    3,283.71/4,919.98 = 1,982.44/x
  3. Step 3: Cross multiply
    3,283.71x = 4,919.98 × 1,982.44
  4. Step 4: Simplify right side
    3,283.71x = 9,753,565.15
  5. Step 5: Solve for x
    x = 9,753,565.15/3,283.71
  6. Step 6: Final answer
    x = 2,970.29

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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.