Home / 2,608.38-3,599.24-2,078.61

Finding the Fourth Proportional to 2,608.38, 3,599.24 and 2,078.61

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Solution

The fourth proportional to 2,608.38, 3,599.24 and 2,078.61 is: 2,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.38 : 3,599.24 = 2,078.61 : x
  2. Step 2: Convert to fraction form
    2,608.38/3,599.24 = 2,078.61/x
  3. Step 3: Cross multiply
    2,608.38x = 3,599.24 × 2,078.61
  4. Step 4: Simplify right side
    2,608.38x = 7,481,416.26
  5. Step 5: Solve for x
    x = 7,481,416.26/2,608.38
  6. Step 6: Final answer
    x = 2,868.22

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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.