Home / 3,020.60-4,163.82-2,087.48

Finding the Fourth Proportional to 3,020.60, 4,163.82 and 2,087.48

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Solution

The fourth proportional to 3,020.60, 4,163.82 and 2,087.48 is: 2,877.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.60 : 4,163.82 = 2,087.48 : x
  2. Step 2: Convert to fraction form
    3,020.60/4,163.82 = 2,087.48/x
  3. Step 3: Cross multiply
    3,020.60x = 4,163.82 × 2,087.48
  4. Step 4: Simplify right side
    3,020.60x = 8,691,890.97
  5. Step 5: Solve for x
    x = 8,691,890.97/3,020.60
  6. Step 6: Final answer
    x = 2,877.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.