Home / 1,469.25-2,027.66-806.21

Finding the Fourth Proportional to 1,469.25, 2,027.66 and 806.21

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Solution

The fourth proportional to 1,469.25, 2,027.66 and 806.21 is: 1,112.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.25 : 2,027.66 = 806.21 : x
  2. Step 2: Convert to fraction form
    1,469.25/2,027.66 = 806.21/x
  3. Step 3: Cross multiply
    1,469.25x = 2,027.66 × 806.21
  4. Step 4: Simplify right side
    1,469.25x = 1,634,705.60
  5. Step 5: Solve for x
    x = 1,634,705.60/1,469.25
  6. Step 6: Final answer
    x = 1,112.61

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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.