Home / 3,751.29-5,176.80-2,072.61

Finding the Fourth Proportional to 3,751.29, 5,176.80 and 2,072.61

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Solution

The fourth proportional to 3,751.29, 5,176.80 and 2,072.61 is: 2,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.29 : 5,176.80 = 2,072.61 : x
  2. Step 2: Convert to fraction form
    3,751.29/5,176.80 = 2,072.61/x
  3. Step 3: Cross multiply
    3,751.29x = 5,176.80 × 2,072.61
  4. Step 4: Simplify right side
    3,751.29x = 10,729,487.45
  5. Step 5: Solve for x
    x = 10,729,487.45/3,751.29
  6. Step 6: Final answer
    x = 2,860.21

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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.