Home / 2,725.38-3,758.94-1,731.24

Finding the Fourth Proportional to 2,725.38, 3,758.94 and 1,731.24

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Solution

The fourth proportional to 2,725.38, 3,758.94 and 1,731.24 is: 2,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.38 : 3,758.94 = 1,731.24 : x
  2. Step 2: Convert to fraction form
    2,725.38/3,758.94 = 1,731.24/x
  3. Step 3: Cross multiply
    2,725.38x = 3,758.94 × 1,731.24
  4. Step 4: Simplify right side
    2,725.38x = 6,507,627.29
  5. Step 5: Solve for x
    x = 6,507,627.29/2,725.38
  6. Step 6: Final answer
    x = 2,387.79

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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.