Home / 2,194.11-3,027.84-1,199.40

Finding the Fourth Proportional to 2,194.11, 3,027.84 and 1,199.40

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Solution

The fourth proportional to 2,194.11, 3,027.84 and 1,199.40 is: 1,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.11 : 3,027.84 = 1,199.40 : x
  2. Step 2: Convert to fraction form
    2,194.11/3,027.84 = 1,199.40/x
  3. Step 3: Cross multiply
    2,194.11x = 3,027.84 × 1,199.40
  4. Step 4: Simplify right side
    2,194.11x = 3,631,591.30
  5. Step 5: Solve for x
    x = 3,631,591.30/2,194.11
  6. Step 6: Final answer
    x = 1,655.15

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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.