Home / 2,231.27-3,079.52-2,132.84

Finding the Fourth Proportional to 2,231.27, 3,079.52 and 2,132.84

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Solution

The fourth proportional to 2,231.27, 3,079.52 and 2,132.84 is: 2,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.27 : 3,079.52 = 2,132.84 : x
  2. Step 2: Convert to fraction form
    2,231.27/3,079.52 = 2,132.84/x
  3. Step 3: Cross multiply
    2,231.27x = 3,079.52 × 2,132.84
  4. Step 4: Simplify right side
    2,231.27x = 6,568,112.77
  5. Step 5: Solve for x
    x = 6,568,112.77/2,231.27
  6. Step 6: Final answer
    x = 2,943.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.