Home / 2,610.75-3,916.49-1,072.11

Finding the Fourth Proportional to 2,610.75, 3,916.49 and 1,072.11

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Solution

The fourth proportional to 2,610.75, 3,916.49 and 1,072.11 is: 1,608.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.75 : 3,916.49 = 1,072.11 : x
  2. Step 2: Convert to fraction form
    2,610.75/3,916.49 = 1,072.11/x
  3. Step 3: Cross multiply
    2,610.75x = 3,916.49 × 1,072.11
  4. Step 4: Simplify right side
    2,610.75x = 4,198,902.73
  5. Step 5: Solve for x
    x = 4,198,902.73/2,610.75
  6. Step 6: Final answer
    x = 1,608.31

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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.