Home / 3,149.62-4,344.19-1,955.28

Finding the Fourth Proportional to 3,149.62, 4,344.19 and 1,955.28

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Solution

The fourth proportional to 3,149.62, 4,344.19 and 1,955.28 is: 2,696.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.62 : 4,344.19 = 1,955.28 : x
  2. Step 2: Convert to fraction form
    3,149.62/4,344.19 = 1,955.28/x
  3. Step 3: Cross multiply
    3,149.62x = 4,344.19 × 1,955.28
  4. Step 4: Simplify right side
    3,149.62x = 8,494,107.82
  5. Step 5: Solve for x
    x = 8,494,107.82/3,149.62
  6. Step 6: Final answer
    x = 2,696.87

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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.