Home / 3,920.93-5,410.55-2,241.80

Finding the Fourth Proportional to 3,920.93, 5,410.55 and 2,241.80

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Solution

The fourth proportional to 3,920.93, 5,410.55 and 2,241.80 is: 3,093.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920.93 : 5,410.55 = 2,241.80 : x
  2. Step 2: Convert to fraction form
    3,920.93/5,410.55 = 2,241.80/x
  3. Step 3: Cross multiply
    3,920.93x = 5,410.55 × 2,241.80
  4. Step 4: Simplify right side
    3,920.93x = 12,129,359.78
  5. Step 5: Solve for x
    x = 12,129,359.78/3,920.93
  6. Step 6: Final answer
    x = 3,093.49

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1.5x scale

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.