Home / 1,789.62-2,464.26-1,622.79

Finding the Fourth Proportional to 1,789.62, 2,464.26 and 1,622.79

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Solution

The fourth proportional to 1,789.62, 2,464.26 and 1,622.79 is: 2,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.62 : 2,464.26 = 1,622.79 : x
  2. Step 2: Convert to fraction form
    1,789.62/2,464.26 = 1,622.79/x
  3. Step 3: Cross multiply
    1,789.62x = 2,464.26 × 1,622.79
  4. Step 4: Simplify right side
    1,789.62x = 3,998,976.49
  5. Step 5: Solve for x
    x = 3,998,976.49/1,789.62
  6. Step 6: Final answer
    x = 2,234.54

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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.