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Finding the Fourth Proportional to 2,067.04, 3,100.20 and 605.80

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Solution

The fourth proportional to 2,067.04, 3,100.20 and 605.80 is: 908.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.04 : 3,100.20 = 605.80 : x
  2. Step 2: Convert to fraction form
    2,067.04/3,100.20 = 605.80/x
  3. Step 3: Cross multiply
    2,067.04x = 3,100.20 × 605.80
  4. Step 4: Simplify right side
    2,067.04x = 1,878,101.16
  5. Step 5: Solve for x
    x = 1,878,101.16/2,067.04
  6. Step 6: Final answer
    x = 908.59

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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.