Home / 4,218.12-5,820.95-2,449.72

Finding the Fourth Proportional to 4,218.12, 5,820.95 and 2,449.72

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Solution

The fourth proportional to 4,218.12, 5,820.95 and 2,449.72 is: 3,380.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.12 : 5,820.95 = 2,449.72 : x
  2. Step 2: Convert to fraction form
    4,218.12/5,820.95 = 2,449.72/x
  3. Step 3: Cross multiply
    4,218.12x = 5,820.95 × 2,449.72
  4. Step 4: Simplify right side
    4,218.12x = 14,259,728.05
  5. Step 5: Solve for x
    x = 14,259,728.05/4,218.12
  6. Step 6: Final answer
    x = 3,380.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.