Home / 3,788.11-5,680.40-2,098.37

Finding the Fourth Proportional to 3,788.11, 5,680.40 and 2,098.37

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Solution

The fourth proportional to 3,788.11, 5,680.40 and 2,098.37 is: 3,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.11 : 5,680.40 = 2,098.37 : x
  2. Step 2: Convert to fraction form
    3,788.11/5,680.40 = 2,098.37/x
  3. Step 3: Cross multiply
    3,788.11x = 5,680.40 × 2,098.37
  4. Step 4: Simplify right side
    3,788.11x = 11,919,580.95
  5. Step 5: Solve for x
    x = 11,919,580.95/3,788.11
  6. Step 6: Final answer
    x = 3,146.58

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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.