Home / 2,481.62-3,399.84-2,388.22

Finding the Fourth Proportional to 2,481.62, 3,399.84 and 2,388.22

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Solution

The fourth proportional to 2,481.62, 3,399.84 and 2,388.22 is: 3,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.62 : 3,399.84 = 2,388.22 : x
  2. Step 2: Convert to fraction form
    2,481.62/3,399.84 = 2,388.22/x
  3. Step 3: Cross multiply
    2,481.62x = 3,399.84 × 2,388.22
  4. Step 4: Simplify right side
    2,481.62x = 8,119,557.39
  5. Step 5: Solve for x
    x = 8,119,557.39/2,481.62
  6. Step 6: Final answer
    x = 3,271.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.