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Finding the Fourth Proportional to 1,843.25, 2,764.88 and 544.69

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Solution

The fourth proportional to 1,843.25, 2,764.88 and 544.69 is: 817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.25 : 2,764.88 = 544.69 : x
  2. Step 2: Convert to fraction form
    1,843.25/2,764.88 = 544.69/x
  3. Step 3: Cross multiply
    1,843.25x = 2,764.88 × 544.69
  4. Step 4: Simplify right side
    1,843.25x = 1,505,985.94
  5. Step 5: Solve for x
    x = 1,505,985.94/1,843.25
  6. Step 6: Final answer
    x = 817.03

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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.