Home / 4,218.66-5,821.52-2,449.98

Finding the Fourth Proportional to 4,218.66, 5,821.52 and 2,449.98

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Solution

The fourth proportional to 4,218.66, 5,821.52 and 2,449.98 is: 3,380.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.66 : 5,821.52 = 2,449.98 : x
  2. Step 2: Convert to fraction form
    4,218.66/5,821.52 = 2,449.98/x
  3. Step 3: Cross multiply
    4,218.66x = 5,821.52 × 2,449.98
  4. Step 4: Simplify right side
    4,218.66x = 14,262,607.57
  5. Step 5: Solve for x
    x = 14,262,607.57/4,218.66
  6. Step 6: Final answer
    x = 3,380.84

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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.