Home / 2,976.94-4,112.13-2,481.22

Finding the Fourth Proportional to 2,976.94, 4,112.13 and 2,481.22

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Solution

The fourth proportional to 2,976.94, 4,112.13 and 2,481.22 is: 3,427.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.94 : 4,112.13 = 2,481.22 : x
  2. Step 2: Convert to fraction form
    2,976.94/4,112.13 = 2,481.22/x
  3. Step 3: Cross multiply
    2,976.94x = 4,112.13 × 2,481.22
  4. Step 4: Simplify right side
    2,976.94x = 10,203,099.20
  5. Step 5: Solve for x
    x = 10,203,099.20/2,976.94
  6. Step 6: Final answer
    x = 3,427.38

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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.