Home / 3,187.72-4,401.06-2,010.04

Finding the Fourth Proportional to 3,187.72, 4,401.06 and 2,010.04

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Solution

The fourth proportional to 3,187.72, 4,401.06 and 2,010.04 is: 2,775.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.72 : 4,401.06 = 2,010.04 : x
  2. Step 2: Convert to fraction form
    3,187.72/4,401.06 = 2,010.04/x
  3. Step 3: Cross multiply
    3,187.72x = 4,401.06 × 2,010.04
  4. Step 4: Simplify right side
    3,187.72x = 8,846,306.64
  5. Step 5: Solve for x
    x = 8,846,306.64/3,187.72
  6. Step 6: Final answer
    x = 2,775.12

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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.