Home / 3,982.47-5,969.58-1,349.10

Finding the Fourth Proportional to 3,982.47, 5,969.58 and 1,349.10

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Solution

The fourth proportional to 3,982.47, 5,969.58 and 1,349.10 is: 2,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.47 : 5,969.58 = 1,349.10 : x
  2. Step 2: Convert to fraction form
    3,982.47/5,969.58 = 1,349.10/x
  3. Step 3: Cross multiply
    3,982.47x = 5,969.58 × 1,349.10
  4. Step 4: Simplify right side
    3,982.47x = 8,053,560.38
  5. Step 5: Solve for x
    x = 8,053,560.38/3,982.47
  6. Step 6: Final answer
    x = 2,022.25

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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.