Home / 2,228.20-3,344.33-1,189.08

Finding the Fourth Proportional to 2,228.20, 3,344.33 and 1,189.08

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Solution

The fourth proportional to 2,228.20, 3,344.33 and 1,189.08 is: 1,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.20 : 3,344.33 = 1,189.08 : x
  2. Step 2: Convert to fraction form
    2,228.20/3,344.33 = 1,189.08/x
  3. Step 3: Cross multiply
    2,228.20x = 3,344.33 × 1,189.08
  4. Step 4: Simplify right side
    2,228.20x = 3,976,678.89
  5. Step 5: Solve for x
    x = 3,976,678.89/2,228.20
  6. Step 6: Final answer
    x = 1,784.71

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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.