Home / 1,589.37-2,383.62-664.73

Finding the Fourth Proportional to 1,589.37, 2,383.62 and 664.73

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Solution

The fourth proportional to 1,589.37, 2,383.62 and 664.73 is: 996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.37 : 2,383.62 = 664.73 : x
  2. Step 2: Convert to fraction form
    1,589.37/2,383.62 = 664.73/x
  3. Step 3: Cross multiply
    1,589.37x = 2,383.62 × 664.73
  4. Step 4: Simplify right side
    1,589.37x = 1,584,469.68
  5. Step 5: Solve for x
    x = 1,584,469.68/1,589.37
  6. Step 6: Final answer
    x = 996.92

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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.