Home / 3,100.05-4,645.97-1,453.14

Finding the Fourth Proportional to 3,100.05, 4,645.97 and 1,453.14

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Solution

The fourth proportional to 3,100.05, 4,645.97 and 1,453.14 is: 2,177.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.05 : 4,645.97 = 1,453.14 : x
  2. Step 2: Convert to fraction form
    3,100.05/4,645.97 = 1,453.14/x
  3. Step 3: Cross multiply
    3,100.05x = 4,645.97 × 1,453.14
  4. Step 4: Simplify right side
    3,100.05x = 6,751,237.58
  5. Step 5: Solve for x
    x = 6,751,237.58/3,100.05
  6. Step 6: Final answer
    x = 2,177.78

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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.