Home / 3,873.21-5,344.85-2,194.58

Finding the Fourth Proportional to 3,873.21, 5,344.85 and 2,194.58

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Solution

The fourth proportional to 3,873.21, 5,344.85 and 2,194.58 is: 3,028.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.21 : 5,344.85 = 2,194.58 : x
  2. Step 2: Convert to fraction form
    3,873.21/5,344.85 = 2,194.58/x
  3. Step 3: Cross multiply
    3,873.21x = 5,344.85 × 2,194.58
  4. Step 4: Simplify right side
    3,873.21x = 11,729,689.94
  5. Step 5: Solve for x
    x = 11,729,689.94/3,873.21
  6. Step 6: Final answer
    x = 3,028.42

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1.5x scale

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.