Home / 2,212.11-3,046.41-2,205.43

Finding the Fourth Proportional to 2,212.11, 3,046.41 and 2,205.43

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Solution

The fourth proportional to 2,212.11, 3,046.41 and 2,205.43 is: 3,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.11 : 3,046.41 = 2,205.43 : x
  2. Step 2: Convert to fraction form
    2,212.11/3,046.41 = 2,205.43/x
  3. Step 3: Cross multiply
    2,212.11x = 3,046.41 × 2,205.43
  4. Step 4: Simplify right side
    2,212.11x = 6,718,636.39
  5. Step 5: Solve for x
    x = 6,718,636.39/2,212.11
  6. Step 6: Final answer
    x = 3,037.21

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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.