Home / 3,791.26-5,686.85-1,941.34

Finding the Fourth Proportional to 3,791.26, 5,686.85 and 1,941.34

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Solution

The fourth proportional to 3,791.26, 5,686.85 and 1,941.34 is: 2,911.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.26 : 5,686.85 = 1,941.34 : x
  2. Step 2: Convert to fraction form
    3,791.26/5,686.85 = 1,941.34/x
  3. Step 3: Cross multiply
    3,791.26x = 5,686.85 × 1,941.34
  4. Step 4: Simplify right side
    3,791.26x = 11,040,113.02
  5. Step 5: Solve for x
    x = 11,040,113.02/3,791.26
  6. Step 6: Final answer
    x = 2,911.99

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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.