Home / 3,788.06-5,228.15-2,194.43

Finding the Fourth Proportional to 3,788.06, 5,228.15 and 2,194.43

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Solution

The fourth proportional to 3,788.06, 5,228.15 and 2,194.43 is: 3,028.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.06 : 5,228.15 = 2,194.43 : x
  2. Step 2: Convert to fraction form
    3,788.06/5,228.15 = 2,194.43/x
  3. Step 3: Cross multiply
    3,788.06x = 5,228.15 × 2,194.43
  4. Step 4: Simplify right side
    3,788.06x = 11,472,772.09
  5. Step 5: Solve for x
    x = 11,472,772.09/3,788.06
  6. Step 6: Final answer
    x = 3,028.67

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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.