Home / 2,194.11-3,028.94-1,409.49

Finding the Fourth Proportional to 2,194.11, 3,028.94 and 1,409.49

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Solution

The fourth proportional to 2,194.11, 3,028.94 and 1,409.49 is: 1,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.11 : 3,028.94 = 1,409.49 : x
  2. Step 2: Convert to fraction form
    2,194.11/3,028.94 = 1,409.49/x
  3. Step 3: Cross multiply
    2,194.11x = 3,028.94 × 1,409.49
  4. Step 4: Simplify right side
    2,194.11x = 4,269,253.59
  5. Step 5: Solve for x
    x = 4,269,253.59/2,194.11
  6. Step 6: Final answer
    x = 1,945.78

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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.