Home / 3,579.24-5,367.78-2,118

Finding the Fourth Proportional to 3,579.24, 5,367.78 and 2,118

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Solution

The fourth proportional to 3,579.24, 5,367.78 and 2,118 is: 3,176.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.24 : 5,367.78 = 2,118 : x
  2. Step 2: Convert to fraction form
    3,579.24/5,367.78 = 2,118/x
  3. Step 3: Cross multiply
    3,579.24x = 5,367.78 × 2,118
  4. Step 4: Simplify right side
    3,579.24x = 11,368,958.04
  5. Step 5: Solve for x
    x = 11,368,958.04/3,579.24
  6. Step 6: Final answer
    x = 3,176.36

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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.