Home / 3,751.47-5,176.89-2,072.97

Finding the Fourth Proportional to 3,751.47, 5,176.89 and 2,072.97

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Solution

The fourth proportional to 3,751.47, 5,176.89 and 2,072.97 is: 2,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.47 : 5,176.89 = 2,072.97 : x
  2. Step 2: Convert to fraction form
    3,751.47/5,176.89 = 2,072.97/x
  3. Step 3: Cross multiply
    3,751.47x = 5,176.89 × 2,072.97
  4. Step 4: Simplify right side
    3,751.47x = 10,731,537.66
  5. Step 5: Solve for x
    x = 10,731,537.66/3,751.47
  6. Step 6: Final answer
    x = 2,860.62

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1.5x scale

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.