Home / 3,982.54-5,493.36-2,568.04

Finding the Fourth Proportional to 3,982.54, 5,493.36 and 2,568.04

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Solution

The fourth proportional to 3,982.54, 5,493.36 and 2,568.04 is: 3,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.54 : 5,493.36 = 2,568.04 : x
  2. Step 2: Convert to fraction form
    3,982.54/5,493.36 = 2,568.04/x
  3. Step 3: Cross multiply
    3,982.54x = 5,493.36 × 2,568.04
  4. Step 4: Simplify right side
    3,982.54x = 14,107,168.21
  5. Step 5: Solve for x
    x = 14,107,168.21/3,982.54
  6. Step 6: Final answer
    x = 3,542.25

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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.