Home / 3,791.50-5,687.03-1,326.26

Finding the Fourth Proportional to 3,791.50, 5,687.03 and 1,326.26

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Solution

The fourth proportional to 3,791.50, 5,687.03 and 1,326.26 is: 1,989.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.50 : 5,687.03 = 1,326.26 : x
  2. Step 2: Convert to fraction form
    3,791.50/5,687.03 = 1,326.26/x
  3. Step 3: Cross multiply
    3,791.50x = 5,687.03 × 1,326.26
  4. Step 4: Simplify right side
    3,791.50x = 7,542,497.94
  5. Step 5: Solve for x
    x = 7,542,497.94/3,791.50
  6. Step 6: Final answer
    x = 1,989.32

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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.