Home / 3,159.33-4,738.99-1,212.90

Finding the Fourth Proportional to 3,159.33, 4,738.99 and 1,212.90

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Solution

The fourth proportional to 3,159.33, 4,738.99 and 1,212.90 is: 1,819.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.33 : 4,738.99 = 1,212.90 : x
  2. Step 2: Convert to fraction form
    3,159.33/4,738.99 = 1,212.90/x
  3. Step 3: Cross multiply
    3,159.33x = 4,738.99 × 1,212.90
  4. Step 4: Simplify right side
    3,159.33x = 5,747,920.97
  5. Step 5: Solve for x
    x = 5,747,920.97/3,159.33
  6. Step 6: Final answer
    x = 1,819.35

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Similar ratio
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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.