Home / 3,109.73-4,659.33-2,619.47

Finding the Fourth Proportional to 3,109.73, 4,659.33 and 2,619.47

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Solution

The fourth proportional to 3,109.73, 4,659.33 and 2,619.47 is: 3,924.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.73 : 4,659.33 = 2,619.47 : x
  2. Step 2: Convert to fraction form
    3,109.73/4,659.33 = 2,619.47/x
  3. Step 3: Cross multiply
    3,109.73x = 4,659.33 × 2,619.47
  4. Step 4: Simplify right side
    3,109.73x = 12,204,996.63
  5. Step 5: Solve for x
    x = 12,204,996.63/3,109.73
  6. Step 6: Final answer
    x = 3,924.78

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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.