Home / 2,711.37-4,067.78-1,151.44

Finding the Fourth Proportional to 2,711.37, 4,067.78 and 1,151.44

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Solution

The fourth proportional to 2,711.37, 4,067.78 and 1,151.44 is: 1,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.37 : 4,067.78 = 1,151.44 : x
  2. Step 2: Convert to fraction form
    2,711.37/4,067.78 = 1,151.44/x
  3. Step 3: Cross multiply
    2,711.37x = 4,067.78 × 1,151.44
  4. Step 4: Simplify right side
    2,711.37x = 4,683,804.60
  5. Step 5: Solve for x
    x = 4,683,804.60/2,711.37
  6. Step 6: Final answer
    x = 1,727.47

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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.