Home / 2,725.38-4,088.09-1,338.36

Finding the Fourth Proportional to 2,725.38, 4,088.09 and 1,338.36

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Solution

The fourth proportional to 2,725.38, 4,088.09 and 1,338.36 is: 2,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.38 : 4,088.09 = 1,338.36 : x
  2. Step 2: Convert to fraction form
    2,725.38/4,088.09 = 1,338.36/x
  3. Step 3: Cross multiply
    2,725.38x = 4,088.09 × 1,338.36
  4. Step 4: Simplify right side
    2,725.38x = 5,471,329.44
  5. Step 5: Solve for x
    x = 5,471,329.44/2,725.38
  6. Step 6: Final answer
    x = 2,007.55

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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.