Home / 3,920.06-5,409.88-2,241.54

Finding the Fourth Proportional to 3,920.06, 5,409.88 and 2,241.54

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Solution

The fourth proportional to 3,920.06, 5,409.88 and 2,241.54 is: 3,093.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920.06 : 5,409.88 = 2,241.54 : x
  2. Step 2: Convert to fraction form
    3,920.06/5,409.88 = 2,241.54/x
  3. Step 3: Cross multiply
    3,920.06x = 5,409.88 × 2,241.54
  4. Step 4: Simplify right side
    3,920.06x = 12,126,462.42
  5. Step 5: Solve for x
    x = 12,126,462.42/3,920.06
  6. Step 6: Final answer
    x = 3,093.44

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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.