Home / 3,481.22-5,221.59-1,632.76

Finding the Fourth Proportional to 3,481.22, 5,221.59 and 1,632.76

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Solution

The fourth proportional to 3,481.22, 5,221.59 and 1,632.76 is: 2,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.22 : 5,221.59 = 1,632.76 : x
  2. Step 2: Convert to fraction form
    3,481.22/5,221.59 = 1,632.76/x
  3. Step 3: Cross multiply
    3,481.22x = 5,221.59 × 1,632.76
  4. Step 4: Simplify right side
    3,481.22x = 8,525,584.11
  5. Step 5: Solve for x
    x = 8,525,584.11/3,481.22
  6. Step 6: Final answer
    x = 2,449.02

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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.