Home / 3,286.02-4,919.28-1,983.54

Finding the Fourth Proportional to 3,286.02, 4,919.28 and 1,983.54

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Solution

The fourth proportional to 3,286.02, 4,919.28 and 1,983.54 is: 2,969.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.02 : 4,919.28 = 1,983.54 : x
  2. Step 2: Convert to fraction form
    3,286.02/4,919.28 = 1,983.54/x
  3. Step 3: Cross multiply
    3,286.02x = 4,919.28 × 1,983.54
  4. Step 4: Simplify right side
    3,286.02x = 9,757,588.65
  5. Step 5: Solve for x
    x = 9,757,588.65/3,286.02
  6. Step 6: Final answer
    x = 2,969.42

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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.