Home / 3,206.22-4,422.84-2,212.02

Finding the Fourth Proportional to 3,206.22, 4,422.84 and 2,212.02

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Solution

The fourth proportional to 3,206.22, 4,422.84 and 2,212.02 is: 3,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.22 : 4,422.84 = 2,212.02 : x
  2. Step 2: Convert to fraction form
    3,206.22/4,422.84 = 2,212.02/x
  3. Step 3: Cross multiply
    3,206.22x = 4,422.84 × 2,212.02
  4. Step 4: Simplify right side
    3,206.22x = 9,783,410.54
  5. Step 5: Solve for x
    x = 9,783,410.54/3,206.22
  6. Step 6: Final answer
    x = 3,051.38

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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.