Home / 1,964.28-2,944.26-1,098.12

Finding the Fourth Proportional to 1,964.28, 2,944.26 and 1,098.12

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Solution

The fourth proportional to 1,964.28, 2,944.26 and 1,098.12 is: 1,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.28 : 2,944.26 = 1,098.12 : x
  2. Step 2: Convert to fraction form
    1,964.28/2,944.26 = 1,098.12/x
  3. Step 3: Cross multiply
    1,964.28x = 2,944.26 × 1,098.12
  4. Step 4: Simplify right side
    1,964.28x = 3,233,150.79
  5. Step 5: Solve for x
    x = 3,233,150.79/1,964.28
  6. Step 6: Final answer
    x = 1,645.97

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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.