Home / 3,147.50-4,721.93-1,067.56

Finding the Fourth Proportional to 3,147.50, 4,721.93 and 1,067.56

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Solution

The fourth proportional to 3,147.50, 4,721.93 and 1,067.56 is: 1,601.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.50 : 4,721.93 = 1,067.56 : x
  2. Step 2: Convert to fraction form
    3,147.50/4,721.93 = 1,067.56/x
  3. Step 3: Cross multiply
    3,147.50x = 4,721.93 × 1,067.56
  4. Step 4: Simplify right side
    3,147.50x = 5,040,943.59
  5. Step 5: Solve for x
    x = 5,040,943.59/3,147.50
  6. Step 6: Final answer
    x = 1,601.57

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1.5x scale

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.