Home / 2,189.26-3,021.10-1,194.52

Finding the Fourth Proportional to 2,189.26, 3,021.10 and 1,194.52

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Solution

The fourth proportional to 2,189.26, 3,021.10 and 1,194.52 is: 1,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.26 : 3,021.10 = 1,194.52 : x
  2. Step 2: Convert to fraction form
    2,189.26/3,021.10 = 1,194.52/x
  3. Step 3: Cross multiply
    2,189.26x = 3,021.10 × 1,194.52
  4. Step 4: Simplify right side
    2,189.26x = 3,608,767.99
  5. Step 5: Solve for x
    x = 3,608,767.99/2,189.26
  6. Step 6: Final answer
    x = 1,648.40

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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.