Home / 2,279.82-3,419.73-1,631.82

Finding the Fourth Proportional to 2,279.82, 3,419.73 and 1,631.82

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Solution

The fourth proportional to 2,279.82, 3,419.73 and 1,631.82 is: 2,447.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.82 : 3,419.73 = 1,631.82 : x
  2. Step 2: Convert to fraction form
    2,279.82/3,419.73 = 1,631.82/x
  3. Step 3: Cross multiply
    2,279.82x = 3,419.73 × 1,631.82
  4. Step 4: Simplify right side
    2,279.82x = 5,580,383.81
  5. Step 5: Solve for x
    x = 5,580,383.81/2,279.82
  6. Step 6: Final answer
    x = 2,447.73

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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.