Home / 3,983.20-5,973.99-1,791.34

Finding the Fourth Proportional to 3,983.20, 5,973.99 and 1,791.34

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Solution

The fourth proportional to 3,983.20, 5,973.99 and 1,791.34 is: 2,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.20 : 5,973.99 = 1,791.34 : x
  2. Step 2: Convert to fraction form
    3,983.20/5,973.99 = 1,791.34/x
  3. Step 3: Cross multiply
    3,983.20x = 5,973.99 × 1,791.34
  4. Step 4: Simplify right side
    3,983.20x = 10,701,447.25
  5. Step 5: Solve for x
    x = 10,701,447.25/3,983.20
  6. Step 6: Final answer
    x = 2,686.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.