Home / 3,238.28-4,468.90-1,821.94

Finding the Fourth Proportional to 3,238.28, 4,468.90 and 1,821.94

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Solution

The fourth proportional to 3,238.28, 4,468.90 and 1,821.94 is: 2,514.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.28 : 4,468.90 = 1,821.94 : x
  2. Step 2: Convert to fraction form
    3,238.28/4,468.90 = 1,821.94/x
  3. Step 3: Cross multiply
    3,238.28x = 4,468.90 × 1,821.94
  4. Step 4: Simplify right side
    3,238.28x = 8,142,067.67
  5. Step 5: Solve for x
    x = 8,142,067.67/3,238.28
  6. Step 6: Final answer
    x = 2,514.32

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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.