Home / 4,218.60-5,820.36-2,449.88

Finding the Fourth Proportional to 4,218.60, 5,820.36 and 2,449.88

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Solution

The fourth proportional to 4,218.60, 5,820.36 and 2,449.88 is: 3,380.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.60 : 5,820.36 = 2,449.88 : x
  2. Step 2: Convert to fraction form
    4,218.60/5,820.36 = 2,449.88/x
  3. Step 3: Cross multiply
    4,218.60x = 5,820.36 × 2,449.88
  4. Step 4: Simplify right side
    4,218.60x = 14,259,183.56
  5. Step 5: Solve for x
    x = 14,259,183.56/4,218.60
  6. Step 6: Final answer
    x = 3,380.07

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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.