Home / 3,659.56-5,049.30-2,480.20

Finding the Fourth Proportional to 3,659.56, 5,049.30 and 2,480.20

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Solution

The fourth proportional to 3,659.56, 5,049.30 and 2,480.20 is: 3,422.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.56 : 5,049.30 = 2,480.20 : x
  2. Step 2: Convert to fraction form
    3,659.56/5,049.30 = 2,480.20/x
  3. Step 3: Cross multiply
    3,659.56x = 5,049.30 × 2,480.20
  4. Step 4: Simplify right side
    3,659.56x = 12,523,273.86
  5. Step 5: Solve for x
    x = 12,523,273.86/3,659.56
  6. Step 6: Final answer
    x = 3,422.07

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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.