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Finding the Fourth Proportional to 3,654.82, 5,479.79 and 2,012.14

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Solution

The fourth proportional to 3,654.82, 5,479.79 and 2,012.14 is: 3,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.82 : 5,479.79 = 2,012.14 : x
  2. Step 2: Convert to fraction form
    3,654.82/5,479.79 = 2,012.14/x
  3. Step 3: Cross multiply
    3,654.82x = 5,479.79 × 2,012.14
  4. Step 4: Simplify right side
    3,654.82x = 11,026,077.25
  5. Step 5: Solve for x
    x = 11,026,077.25/3,654.82
  6. Step 6: Final answer
    x = 3,016.86

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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.