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Finding the Fourth Proportional to 2,024.97, 3,036.57 and 855.49

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Solution

The fourth proportional to 2,024.97, 3,036.57 and 855.49 is: 1,282.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,024.97 : 3,036.57 = 855.49 : x
  2. Step 2: Convert to fraction form
    2,024.97/3,036.57 = 855.49/x
  3. Step 3: Cross multiply
    2,024.97x = 3,036.57 × 855.49
  4. Step 4: Simplify right side
    2,024.97x = 2,597,755.27
  5. Step 5: Solve for x
    x = 2,597,755.27/2,024.97
  6. Step 6: Final answer
    x = 1,282.86

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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.