Home / 1,620.33-2,236.42-1,147.73

Finding the Fourth Proportional to 1,620.33, 2,236.42 and 1,147.73

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Solution

The fourth proportional to 1,620.33, 2,236.42 and 1,147.73 is: 1,584.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620.33 : 2,236.42 = 1,147.73 : x
  2. Step 2: Convert to fraction form
    1,620.33/2,236.42 = 1,147.73/x
  3. Step 3: Cross multiply
    1,620.33x = 2,236.42 × 1,147.73
  4. Step 4: Simplify right side
    1,620.33x = 2,566,804.97
  5. Step 5: Solve for x
    x = 2,566,804.97/1,620.33
  6. Step 6: Final answer
    x = 1,584.12

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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.