Home / 3,198.49-4,412.27-1,871.94

Finding the Fourth Proportional to 3,198.49, 4,412.27 and 1,871.94

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Solution

The fourth proportional to 3,198.49, 4,412.27 and 1,871.94 is: 2,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.49 : 4,412.27 = 1,871.94 : x
  2. Step 2: Convert to fraction form
    3,198.49/4,412.27 = 1,871.94/x
  3. Step 3: Cross multiply
    3,198.49x = 4,412.27 × 1,871.94
  4. Step 4: Simplify right side
    3,198.49x = 8,259,488.70
  5. Step 5: Solve for x
    x = 8,259,488.70/3,198.49
  6. Step 6: Final answer
    x = 2,582.31

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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.