Home / 3,212.98-4,819.39-1,481.60

Finding the Fourth Proportional to 3,212.98, 4,819.39 and 1,481.60

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Solution

The fourth proportional to 3,212.98, 4,819.39 and 1,481.60 is: 2,222.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.98 : 4,819.39 = 1,481.60 : x
  2. Step 2: Convert to fraction form
    3,212.98/4,819.39 = 1,481.60/x
  3. Step 3: Cross multiply
    3,212.98x = 4,819.39 × 1,481.60
  4. Step 4: Simplify right side
    3,212.98x = 7,140,416.57
  5. Step 5: Solve for x
    x = 7,140,416.57/3,212.98
  6. Step 6: Final answer
    x = 2,222.37

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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.