Home / 2,028.44-2,799.68-1,281.92

Finding the Fourth Proportional to 2,028.44, 2,799.68 and 1,281.92

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Solution

The fourth proportional to 2,028.44, 2,799.68 and 1,281.92 is: 1,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.44 : 2,799.68 = 1,281.92 : x
  2. Step 2: Convert to fraction form
    2,028.44/2,799.68 = 1,281.92/x
  3. Step 3: Cross multiply
    2,028.44x = 2,799.68 × 1,281.92
  4. Step 4: Simplify right side
    2,028.44x = 3,588,945.38
  5. Step 5: Solve for x
    x = 3,588,945.38/2,028.44
  6. Step 6: Final answer
    x = 1,769.32

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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.