Home / 3,621.81-4,998.22-2,049.87

Finding the Fourth Proportional to 3,621.81, 4,998.22 and 2,049.87

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Solution

The fourth proportional to 3,621.81, 4,998.22 and 2,049.87 is: 2,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.81 : 4,998.22 = 2,049.87 : x
  2. Step 2: Convert to fraction form
    3,621.81/4,998.22 = 2,049.87/x
  3. Step 3: Cross multiply
    3,621.81x = 4,998.22 × 2,049.87
  4. Step 4: Simplify right side
    3,621.81x = 10,245,690.98
  5. Step 5: Solve for x
    x = 10,245,690.98/3,621.81
  6. Step 6: Final answer
    x = 2,828.89

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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.