Home / 2,230.32-3,351.96-1,076.88

Finding the Fourth Proportional to 2,230.32, 3,351.96 and 1,076.88

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Solution

The fourth proportional to 2,230.32, 3,351.96 and 1,076.88 is: 1,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.32 : 3,351.96 = 1,076.88 : x
  2. Step 2: Convert to fraction form
    2,230.32/3,351.96 = 1,076.88/x
  3. Step 3: Cross multiply
    2,230.32x = 3,351.96 × 1,076.88
  4. Step 4: Simplify right side
    2,230.32x = 3,609,658.68
  5. Step 5: Solve for x
    x = 3,609,658.68/2,230.32
  6. Step 6: Final answer
    x = 1,618.45

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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.