Home / 2,231.16-3,351.94-1,919.77

Finding the Fourth Proportional to 2,231.16, 3,351.94 and 1,919.77

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Solution

The fourth proportional to 2,231.16, 3,351.94 and 1,919.77 is: 2,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.16 : 3,351.94 = 1,919.77 : x
  2. Step 2: Convert to fraction form
    2,231.16/3,351.94 = 1,919.77/x
  3. Step 3: Cross multiply
    2,231.16x = 3,351.94 × 1,919.77
  4. Step 4: Simplify right side
    2,231.16x = 6,434,953.85
  5. Step 5: Solve for x
    x = 6,434,953.85/2,231.16
  6. Step 6: Final answer
    x = 2,884.13

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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.