Home / 3,982.05-5,969.96-1,789.24

Finding the Fourth Proportional to 3,982.05, 5,969.96 and 1,789.24

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Solution

The fourth proportional to 3,982.05, 5,969.96 and 1,789.24 is: 2,682.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.05 : 5,969.96 = 1,789.24 : x
  2. Step 2: Convert to fraction form
    3,982.05/5,969.96 = 1,789.24/x
  3. Step 3: Cross multiply
    3,982.05x = 5,969.96 × 1,789.24
  4. Step 4: Simplify right side
    3,982.05x = 10,681,691.23
  5. Step 5: Solve for x
    x = 10,681,691.23/3,982.05
  6. Step 6: Final answer
    x = 2,682.46

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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.