Home / 3,919.03-5,408.01-2,150.26

Finding the Fourth Proportional to 3,919.03, 5,408.01 and 2,150.26

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Solution

The fourth proportional to 3,919.03, 5,408.01 and 2,150.26 is: 2,967.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.03 : 5,408.01 = 2,150.26 : x
  2. Step 2: Convert to fraction form
    3,919.03/5,408.01 = 2,150.26/x
  3. Step 3: Cross multiply
    3,919.03x = 5,408.01 × 2,150.26
  4. Step 4: Simplify right side
    3,919.03x = 11,628,627.58
  5. Step 5: Solve for x
    x = 11,628,627.58/3,919.03
  6. Step 6: Final answer
    x = 2,967.22

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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.