Home / 3,190.92-4,398.78-2,243.88

Finding the Fourth Proportional to 3,190.92, 4,398.78 and 2,243.88

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Solution

The fourth proportional to 3,190.92, 4,398.78 and 2,243.88 is: 3,093.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.92 : 4,398.78 = 2,243.88 : x
  2. Step 2: Convert to fraction form
    3,190.92/4,398.78 = 2,243.88/x
  3. Step 3: Cross multiply
    3,190.92x = 4,398.78 × 2,243.88
  4. Step 4: Simplify right side
    3,190.92x = 9,870,334.47
  5. Step 5: Solve for x
    x = 9,870,334.47/3,190.92
  6. Step 6: Final answer
    x = 3,093.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.