Home / 3,919.45-5,408.93-2,241.01

Finding the Fourth Proportional to 3,919.45, 5,408.93 and 2,241.01

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Solution

The fourth proportional to 3,919.45, 5,408.93 and 2,241.01 is: 3,092.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.45 : 5,408.93 = 2,241.01 : x
  2. Step 2: Convert to fraction form
    3,919.45/5,408.93 = 2,241.01/x
  3. Step 3: Cross multiply
    3,919.45x = 5,408.93 × 2,241.01
  4. Step 4: Simplify right side
    3,919.45x = 12,121,441.49
  5. Step 5: Solve for x
    x = 12,121,441.49/3,919.45
  6. Step 6: Final answer
    x = 3,092.64

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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.