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Finding the Fourth Proportional to 3,067.22, 4,600.98 and 876.27

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Solution

The fourth proportional to 3,067.22, 4,600.98 and 876.27 is: 1,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.22 : 4,600.98 = 876.27 : x
  2. Step 2: Convert to fraction form
    3,067.22/4,600.98 = 876.27/x
  3. Step 3: Cross multiply
    3,067.22x = 4,600.98 × 876.27
  4. Step 4: Simplify right side
    3,067.22x = 4,031,696.36
  5. Step 5: Solve for x
    x = 4,031,696.36/3,067.22
  6. Step 6: Final answer
    x = 1,314.45

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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.