Home / 3,791.67-5,688.41-1,326.73

Finding the Fourth Proportional to 3,791.67, 5,688.41 and 1,326.73

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Solution

The fourth proportional to 3,791.67, 5,688.41 and 1,326.73 is: 1,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.67 : 5,688.41 = 1,326.73 : x
  2. Step 2: Convert to fraction form
    3,791.67/5,688.41 = 1,326.73/x
  3. Step 3: Cross multiply
    3,791.67x = 5,688.41 × 1,326.73
  4. Step 4: Simplify right side
    3,791.67x = 7,546,984.20
  5. Step 5: Solve for x
    x = 7,546,984.20/3,791.67
  6. Step 6: Final answer
    x = 1,990.41

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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.