Home / 3,198.96-4,415.40-2,082.96

Finding the Fourth Proportional to 3,198.96, 4,415.40 and 2,082.96

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Solution

The fourth proportional to 3,198.96, 4,415.40 and 2,082.96 is: 2,875.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.96 : 4,415.40 = 2,082.96 : x
  2. Step 2: Convert to fraction form
    3,198.96/4,415.40 = 2,082.96/x
  3. Step 3: Cross multiply
    3,198.96x = 4,415.40 × 2,082.96
  4. Step 4: Simplify right side
    3,198.96x = 9,197,101.58
  5. Step 5: Solve for x
    x = 9,197,101.58/3,198.96
  6. Step 6: Final answer
    x = 2,875.03

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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.