Home / 2,725.31-4,080.38-2,331.65

Finding the Fourth Proportional to 2,725.31, 4,080.38 and 2,331.65

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Solution

The fourth proportional to 2,725.31, 4,080.38 and 2,331.65 is: 3,490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.31 : 4,080.38 = 2,331.65 : x
  2. Step 2: Convert to fraction form
    2,725.31/4,080.38 = 2,331.65/x
  3. Step 3: Cross multiply
    2,725.31x = 4,080.38 × 2,331.65
  4. Step 4: Simplify right side
    2,725.31x = 9,514,016.57
  5. Step 5: Solve for x
    x = 9,514,016.57/2,725.31
  6. Step 6: Final answer
    x = 3,490.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.