Home / 3,791.82-5,688.48-1,325.97

Finding the Fourth Proportional to 3,791.82, 5,688.48 and 1,325.97

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Solution

The fourth proportional to 3,791.82, 5,688.48 and 1,325.97 is: 1,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.82 : 5,688.48 = 1,325.97 : x
  2. Step 2: Convert to fraction form
    3,791.82/5,688.48 = 1,325.97/x
  3. Step 3: Cross multiply
    3,791.82x = 5,688.48 × 1,325.97
  4. Step 4: Simplify right side
    3,791.82x = 7,542,753.83
  5. Step 5: Solve for x
    x = 7,542,753.83/3,791.82
  6. Step 6: Final answer
    x = 1,989.22

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1.5x scale

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.