Home / 3,218.30-4,823.08-1,367.09

Finding the Fourth Proportional to 3,218.30, 4,823.08 and 1,367.09

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Solution

The fourth proportional to 3,218.30, 4,823.08 and 1,367.09 is: 2,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.30 : 4,823.08 = 1,367.09 : x
  2. Step 2: Convert to fraction form
    3,218.30/4,823.08 = 1,367.09/x
  3. Step 3: Cross multiply
    3,218.30x = 4,823.08 × 1,367.09
  4. Step 4: Simplify right side
    3,218.30x = 6,593,593.08
  5. Step 5: Solve for x
    x = 6,593,593.08/3,218.30
  6. Step 6: Final answer
    x = 2,048.78

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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.