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Finding the Fourth Proportional to 2,047.44, 3,072.78 and 894

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Solution

The fourth proportional to 2,047.44, 3,072.78 and 894 is: 1,341.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.44 : 3,072.78 = 894 : x
  2. Step 2: Convert to fraction form
    2,047.44/3,072.78 = 894/x
  3. Step 3: Cross multiply
    2,047.44x = 3,072.78 × 894
  4. Step 4: Simplify right side
    2,047.44x = 2,747,065.32
  5. Step 5: Solve for x
    x = 2,747,065.32/2,047.44
  6. Step 6: Final answer
    x = 1,341.71

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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.