Home / 3,748.15-5,618.56-2,101.11

Finding the Fourth Proportional to 3,748.15, 5,618.56 and 2,101.11

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Solution

The fourth proportional to 3,748.15, 5,618.56 and 2,101.11 is: 3,149.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.15 : 5,618.56 = 2,101.11 : x
  2. Step 2: Convert to fraction form
    3,748.15/5,618.56 = 2,101.11/x
  3. Step 3: Cross multiply
    3,748.15x = 5,618.56 × 2,101.11
  4. Step 4: Simplify right side
    3,748.15x = 11,805,212.60
  5. Step 5: Solve for x
    x = 11,805,212.60/3,748.15
  6. Step 6: Final answer
    x = 3,149.61

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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.