Home / 1,944.28-2,682.88-1,105.08

Finding the Fourth Proportional to 1,944.28, 2,682.88 and 1,105.08

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Solution

The fourth proportional to 1,944.28, 2,682.88 and 1,105.08 is: 1,524.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.28 : 2,682.88 = 1,105.08 : x
  2. Step 2: Convert to fraction form
    1,944.28/2,682.88 = 1,105.08/x
  3. Step 3: Cross multiply
    1,944.28x = 2,682.88 × 1,105.08
  4. Step 4: Simplify right side
    1,944.28x = 2,964,797.03
  5. Step 5: Solve for x
    x = 2,964,797.03/1,944.28
  6. Step 6: Final answer
    x = 1,524.88

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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.