Home / 3,982.01-5,973.29-1,208.90

Finding the Fourth Proportional to 3,982.01, 5,973.29 and 1,208.90

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Solution

The fourth proportional to 3,982.01, 5,973.29 and 1,208.90 is: 1,813.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.01 : 5,973.29 = 1,208.90 : x
  2. Step 2: Convert to fraction form
    3,982.01/5,973.29 = 1,208.90/x
  3. Step 3: Cross multiply
    3,982.01x = 5,973.29 × 1,208.90
  4. Step 4: Simplify right side
    3,982.01x = 7,221,104.24
  5. Step 5: Solve for x
    x = 7,221,104.24/3,982.01
  6. Step 6: Final answer
    x = 1,813.43

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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.