Home / 4,172.19-5,751.49-3,175.73

Finding the Fourth Proportional to 4,172.19, 5,751.49 and 3,175.73

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Solution

The fourth proportional to 4,172.19, 5,751.49 and 3,175.73 is: 4,377.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.19 : 5,751.49 = 3,175.73 : x
  2. Step 2: Convert to fraction form
    4,172.19/5,751.49 = 3,175.73/x
  3. Step 3: Cross multiply
    4,172.19x = 5,751.49 × 3,175.73
  4. Step 4: Simplify right side
    4,172.19x = 18,265,185.78
  5. Step 5: Solve for x
    x = 18,265,185.78/4,172.19
  6. Step 6: Final answer
    x = 4,377.84

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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.