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Finding the Fourth Proportional to 2,027.91, 3,040.78 and 622.08

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Solution

The fourth proportional to 2,027.91, 3,040.78 and 622.08 is: 932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.91 : 3,040.78 = 622.08 : x
  2. Step 2: Convert to fraction form
    2,027.91/3,040.78 = 622.08/x
  3. Step 3: Cross multiply
    2,027.91x = 3,040.78 × 622.08
  4. Step 4: Simplify right side
    2,027.91x = 1,891,608.42
  5. Step 5: Solve for x
    x = 1,891,608.42/2,027.91
  6. Step 6: Final answer
    x = 932.79

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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.