Home / 3,659.40-5,049.90-2,261.34

Finding the Fourth Proportional to 3,659.40, 5,049.90 and 2,261.34

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Solution

The fourth proportional to 3,659.40, 5,049.90 and 2,261.34 is: 3,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.40 : 5,049.90 = 2,261.34 : x
  2. Step 2: Convert to fraction form
    3,659.40/5,049.90 = 2,261.34/x
  3. Step 3: Cross multiply
    3,659.40x = 5,049.90 × 2,261.34
  4. Step 4: Simplify right side
    3,659.40x = 11,419,540.87
  5. Step 5: Solve for x
    x = 11,419,540.87/3,659.40
  6. Step 6: Final answer
    x = 3,120.60

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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.