Home / 3,919.74-5,409.48-2,241.66

Finding the Fourth Proportional to 3,919.74, 5,409.48 and 2,241.66

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Solution

The fourth proportional to 3,919.74, 5,409.48 and 2,241.66 is: 3,093.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.74 : 5,409.48 = 2,241.66 : x
  2. Step 2: Convert to fraction form
    3,919.74/5,409.48 = 2,241.66/x
  3. Step 3: Cross multiply
    3,919.74x = 5,409.48 × 2,241.66
  4. Step 4: Simplify right side
    3,919.74x = 12,126,214.94
  5. Step 5: Solve for x
    x = 12,126,214.94/3,919.74
  6. Step 6: Final answer
    x = 3,093.63

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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.