Home / 3,281.79-4,528.82-1,789.73

Finding the Fourth Proportional to 3,281.79, 4,528.82 and 1,789.73

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Solution

The fourth proportional to 3,281.79, 4,528.82 and 1,789.73 is: 2,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.79 : 4,528.82 = 1,789.73 : x
  2. Step 2: Convert to fraction form
    3,281.79/4,528.82 = 1,789.73/x
  3. Step 3: Cross multiply
    3,281.79x = 4,528.82 × 1,789.73
  4. Step 4: Simplify right side
    3,281.79x = 8,105,333.43
  5. Step 5: Solve for x
    x = 8,105,333.43/3,281.79
  6. Step 6: Final answer
    x = 2,469.79

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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.