Home / 3,919.94-5,409.29-2,241.02

Finding the Fourth Proportional to 3,919.94, 5,409.29 and 2,241.02

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Solution

The fourth proportional to 3,919.94, 5,409.29 and 2,241.02 is: 3,092.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.94 : 5,409.29 = 2,241.02 : x
  2. Step 2: Convert to fraction form
    3,919.94/5,409.29 = 2,241.02/x
  3. Step 3: Cross multiply
    3,919.94x = 5,409.29 × 2,241.02
  4. Step 4: Simplify right side
    3,919.94x = 12,122,327.08
  5. Step 5: Solve for x
    x = 12,122,327.08/3,919.94
  6. Step 6: Final answer
    x = 3,092.48

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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.