Home / 3,212.60-4,818.83-1,481.22

Finding the Fourth Proportional to 3,212.60, 4,818.83 and 1,481.22

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Solution

The fourth proportional to 3,212.60, 4,818.83 and 1,481.22 is: 2,221.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.60 : 4,818.83 = 1,481.22 : x
  2. Step 2: Convert to fraction form
    3,212.60/4,818.83 = 1,481.22/x
  3. Step 3: Cross multiply
    3,212.60x = 4,818.83 × 1,481.22
  4. Step 4: Simplify right side
    3,212.60x = 7,137,758.04
  5. Step 5: Solve for x
    x = 7,137,758.04/3,212.60
  6. Step 6: Final answer
    x = 2,221.80

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1.5x scale

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.