Home / 3,639.94-5,451.68-2,983.84

Finding the Fourth Proportional to 3,639.94, 5,451.68 and 2,983.84

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Solution

The fourth proportional to 3,639.94, 5,451.68 and 2,983.84 is: 4,469.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.94 : 5,451.68 = 2,983.84 : x
  2. Step 2: Convert to fraction form
    3,639.94/5,451.68 = 2,983.84/x
  3. Step 3: Cross multiply
    3,639.94x = 5,451.68 × 2,983.84
  4. Step 4: Simplify right side
    3,639.94x = 16,266,934.68
  5. Step 5: Solve for x
    x = 16,266,934.68/3,639.94
  6. Step 6: Final answer
    x = 4,469.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.