Home / 4,218.68-5,820.51-2,449.95

Finding the Fourth Proportional to 4,218.68, 5,820.51 and 2,449.95

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Solution

The fourth proportional to 4,218.68, 5,820.51 and 2,449.95 is: 3,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.68 : 5,820.51 = 2,449.95 : x
  2. Step 2: Convert to fraction form
    4,218.68/5,820.51 = 2,449.95/x
  3. Step 3: Cross multiply
    4,218.68x = 5,820.51 × 2,449.95
  4. Step 4: Simplify right side
    4,218.68x = 14,259,932.05
  5. Step 5: Solve for x
    x = 14,259,932.05/4,218.68
  6. Step 6: Final answer
    x = 3,380.19

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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.