Home / 2,864.80-4,297.20-1,942.22

Finding the Fourth Proportional to 2,864.80, 4,297.20 and 1,942.22

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Solution

The fourth proportional to 2,864.80, 4,297.20 and 1,942.22 is: 2,913.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.80 : 4,297.20 = 1,942.22 : x
  2. Step 2: Convert to fraction form
    2,864.80/4,297.20 = 1,942.22/x
  3. Step 3: Cross multiply
    2,864.80x = 4,297.20 × 1,942.22
  4. Step 4: Simplify right side
    2,864.80x = 8,346,107.78
  5. Step 5: Solve for x
    x = 8,346,107.78/2,864.80
  6. Step 6: Final answer
    x = 2,913.33

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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.