Home / 2,180.68-3,272.16-1,194.21

Finding the Fourth Proportional to 2,180.68, 3,272.16 and 1,194.21

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Solution

The fourth proportional to 2,180.68, 3,272.16 and 1,194.21 is: 1,791.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.68 : 3,272.16 = 1,194.21 : x
  2. Step 2: Convert to fraction form
    2,180.68/3,272.16 = 1,194.21/x
  3. Step 3: Cross multiply
    2,180.68x = 3,272.16 × 1,194.21
  4. Step 4: Simplify right side
    2,180.68x = 3,907,646.19
  5. Step 5: Solve for x
    x = 3,907,646.19/2,180.68
  6. Step 6: Final answer
    x = 1,791.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.