Home / 3,231.22-4,841.43-3,109.72

Finding the Fourth Proportional to 3,231.22, 4,841.43 and 3,109.72

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Solution

The fourth proportional to 3,231.22, 4,841.43 and 3,109.72 is: 4,659.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.22 : 4,841.43 = 3,109.72 : x
  2. Step 2: Convert to fraction form
    3,231.22/4,841.43 = 3,109.72/x
  3. Step 3: Cross multiply
    3,231.22x = 4,841.43 × 3,109.72
  4. Step 4: Simplify right side
    3,231.22x = 15,055,491.70
  5. Step 5: Solve for x
    x = 15,055,491.70/3,231.22
  6. Step 6: Final answer
    x = 4,659.38

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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.