Home / 3,391.75-5,087.76-1,083.25

Finding the Fourth Proportional to 3,391.75, 5,087.76 and 1,083.25

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Solution

The fourth proportional to 3,391.75, 5,087.76 and 1,083.25 is: 1,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.75 : 5,087.76 = 1,083.25 : x
  2. Step 2: Convert to fraction form
    3,391.75/5,087.76 = 1,083.25/x
  3. Step 3: Cross multiply
    3,391.75x = 5,087.76 × 1,083.25
  4. Step 4: Simplify right side
    3,391.75x = 5,511,316.02
  5. Step 5: Solve for x
    x = 5,511,316.02/3,391.75
  6. Step 6: Final answer
    x = 1,624.92

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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.