Home / 3,147.22-4,721.49-1,067.11

Finding the Fourth Proportional to 3,147.22, 4,721.49 and 1,067.11

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Solution

The fourth proportional to 3,147.22, 4,721.49 and 1,067.11 is: 1,600.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.22 : 4,721.49 = 1,067.11 : x
  2. Step 2: Convert to fraction form
    3,147.22/4,721.49 = 1,067.11/x
  3. Step 3: Cross multiply
    3,147.22x = 4,721.49 × 1,067.11
  4. Step 4: Simplify right side
    3,147.22x = 5,038,349.19
  5. Step 5: Solve for x
    x = 5,038,349.19/3,147.22
  6. Step 6: Final answer
    x = 1,600.89

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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.