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Finding the Fourth Proportional to 1,842.99, 2,764.97 and 544.46

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Solution

The fourth proportional to 1,842.99, 2,764.97 and 544.46 is: 816.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.99 : 2,764.97 = 544.46 : x
  2. Step 2: Convert to fraction form
    1,842.99/2,764.97 = 544.46/x
  3. Step 3: Cross multiply
    1,842.99x = 2,764.97 × 544.46
  4. Step 4: Simplify right side
    1,842.99x = 1,505,399.02
  5. Step 5: Solve for x
    x = 1,505,399.02/1,842.99
  6. Step 6: Final answer
    x = 816.82

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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.