Home / 4,218.05-5,820.92-2,449.65

Finding the Fourth Proportional to 4,218.05, 5,820.92 and 2,449.65

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Solution

The fourth proportional to 4,218.05, 5,820.92 and 2,449.65 is: 3,380.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.05 : 5,820.92 = 2,449.65 : x
  2. Step 2: Convert to fraction form
    4,218.05/5,820.92 = 2,449.65/x
  3. Step 3: Cross multiply
    4,218.05x = 5,820.92 × 2,449.65
  4. Step 4: Simplify right side
    4,218.05x = 14,259,204.43
  5. Step 5: Solve for x
    x = 14,259,204.43/4,218.05
  6. Step 6: Final answer
    x = 3,380.52

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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.