Home / 3,982.87-5,496.56-2,214.44

Finding the Fourth Proportional to 3,982.87, 5,496.56 and 2,214.44

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Solution

The fourth proportional to 3,982.87, 5,496.56 and 2,214.44 is: 3,056.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.87 : 5,496.56 = 2,214.44 : x
  2. Step 2: Convert to fraction form
    3,982.87/5,496.56 = 2,214.44/x
  3. Step 3: Cross multiply
    3,982.87x = 5,496.56 × 2,214.44
  4. Step 4: Simplify right side
    3,982.87x = 12,171,791.25
  5. Step 5: Solve for x
    x = 12,171,791.25/3,982.87
  6. Step 6: Final answer
    x = 3,056.04

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1.5x scale

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.