Home / 3,351.82-5,020.16-1,789.06

Finding the Fourth Proportional to 3,351.82, 5,020.16 and 1,789.06

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Solution

The fourth proportional to 3,351.82, 5,020.16 and 1,789.06 is: 2,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.82 : 5,020.16 = 1,789.06 : x
  2. Step 2: Convert to fraction form
    3,351.82/5,020.16 = 1,789.06/x
  3. Step 3: Cross multiply
    3,351.82x = 5,020.16 × 1,789.06
  4. Step 4: Simplify right side
    3,351.82x = 8,981,367.45
  5. Step 5: Solve for x
    x = 8,981,367.45/3,351.82
  6. Step 6: Final answer
    x = 2,679.55

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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.