Home / 2,821.66-4,229.97-1,893.58

Finding the Fourth Proportional to 2,821.66, 4,229.97 and 1,893.58

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Solution

The fourth proportional to 2,821.66, 4,229.97 and 1,893.58 is: 2,838.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.66 : 4,229.97 = 1,893.58 : x
  2. Step 2: Convert to fraction form
    2,821.66/4,229.97 = 1,893.58/x
  3. Step 3: Cross multiply
    2,821.66x = 4,229.97 × 1,893.58
  4. Step 4: Simplify right side
    2,821.66x = 8,009,786.59
  5. Step 5: Solve for x
    x = 8,009,786.59/2,821.66
  6. Step 6: Final answer
    x = 2,838.68

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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.