Home / 3,281.69-4,528.70-1,789.61

Finding the Fourth Proportional to 3,281.69, 4,528.70 and 1,789.61

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Solution

The fourth proportional to 3,281.69, 4,528.70 and 1,789.61 is: 2,469.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.69 : 4,528.70 = 1,789.61 : x
  2. Step 2: Convert to fraction form
    3,281.69/4,528.70 = 1,789.61/x
  3. Step 3: Cross multiply
    3,281.69x = 4,528.70 × 1,789.61
  4. Step 4: Simplify right side
    3,281.69x = 8,104,584.16
  5. Step 5: Solve for x
    x = 8,104,584.16/3,281.69
  6. Step 6: Final answer
    x = 2,469.64

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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.