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Finding the Fourth Proportional to 1,842.87, 2,764.29 and 544.32

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Solution

The fourth proportional to 1,842.87, 2,764.29 and 544.32 is: 816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.87 : 2,764.29 = 544.32 : x
  2. Step 2: Convert to fraction form
    1,842.87/2,764.29 = 544.32/x
  3. Step 3: Cross multiply
    1,842.87x = 2,764.29 × 544.32
  4. Step 4: Simplify right side
    1,842.87x = 1,504,658.33
  5. Step 5: Solve for x
    x = 1,504,658.33/1,842.87
  6. Step 6: Final answer
    x = 816.48

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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.