Home / 2,189.68-3,021.72-1,194.92

Finding the Fourth Proportional to 2,189.68, 3,021.72 and 1,194.92

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Solution

The fourth proportional to 2,189.68, 3,021.72 and 1,194.92 is: 1,648.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.68 : 3,021.72 = 1,194.92 : x
  2. Step 2: Convert to fraction form
    2,189.68/3,021.72 = 1,194.92/x
  3. Step 3: Cross multiply
    2,189.68x = 3,021.72 × 1,194.92
  4. Step 4: Simplify right side
    2,189.68x = 3,610,713.66
  5. Step 5: Solve for x
    x = 3,610,713.66/2,189.68
  6. Step 6: Final answer
    x = 1,648.97

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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.