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Finding the Fourth Proportional to 2,004.73, 3,007.07 and 543.88

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Solution

The fourth proportional to 2,004.73, 3,007.07 and 543.88 is: 815.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.73 : 3,007.07 = 543.88 : x
  2. Step 2: Convert to fraction form
    2,004.73/3,007.07 = 543.88/x
  3. Step 3: Cross multiply
    2,004.73x = 3,007.07 × 543.88
  4. Step 4: Simplify right side
    2,004.73x = 1,635,485.23
  5. Step 5: Solve for x
    x = 1,635,485.23/2,004.73
  6. Step 6: Final answer
    x = 815.81

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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.