Home / 3,751.14-5,175.99-2,178.96

Finding the Fourth Proportional to 3,751.14, 5,175.99 and 2,178.96

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Solution

The fourth proportional to 3,751.14, 5,175.99 and 2,178.96 is: 3,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.14 : 5,175.99 = 2,178.96 : x
  2. Step 2: Convert to fraction form
    3,751.14/5,175.99 = 2,178.96/x
  3. Step 3: Cross multiply
    3,751.14x = 5,175.99 × 2,178.96
  4. Step 4: Simplify right side
    3,751.14x = 11,278,275.17
  5. Step 5: Solve for x
    x = 11,278,275.17/3,751.14
  6. Step 6: Final answer
    x = 3,006.63

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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.