Home / 3,198.60-4,412.34-2,202.12

Finding the Fourth Proportional to 3,198.60, 4,412.34 and 2,202.12

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Solution

The fourth proportional to 3,198.60, 4,412.34 and 2,202.12 is: 3,037.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.60 : 4,412.34 = 2,202.12 : x
  2. Step 2: Convert to fraction form
    3,198.60/4,412.34 = 2,202.12/x
  3. Step 3: Cross multiply
    3,198.60x = 4,412.34 × 2,202.12
  4. Step 4: Simplify right side
    3,198.60x = 9,716,502.16
  5. Step 5: Solve for x
    x = 9,716,502.16/3,198.60
  6. Step 6: Final answer
    x = 3,037.74

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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.