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Finding the Fourth Proportional to 1,846.62, 2,769.20 and 676.27

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Solution

The fourth proportional to 1,846.62, 2,769.20 and 676.27 is: 1,014.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.62 : 2,769.20 = 676.27 : x
  2. Step 2: Convert to fraction form
    1,846.62/2,769.20 = 676.27/x
  3. Step 3: Cross multiply
    1,846.62x = 2,769.20 × 676.27
  4. Step 4: Simplify right side
    1,846.62x = 1,872,726.88
  5. Step 5: Solve for x
    x = 1,872,726.88/1,846.62
  6. Step 6: Final answer
    x = 1,014.14

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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.