Home / 2,080.32-3,121.68-1,494.68

Finding the Fourth Proportional to 2,080.32, 3,121.68 and 1,494.68

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Solution

The fourth proportional to 2,080.32, 3,121.68 and 1,494.68 is: 2,242.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.32 : 3,121.68 = 1,494.68 : x
  2. Step 2: Convert to fraction form
    2,080.32/3,121.68 = 1,494.68/x
  3. Step 3: Cross multiply
    2,080.32x = 3,121.68 × 1,494.68
  4. Step 4: Simplify right side
    2,080.32x = 4,665,912.66
  5. Step 5: Solve for x
    x = 4,665,912.66/2,080.32
  6. Step 6: Final answer
    x = 2,242.88

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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.