Home / 3,408.27-5,113.08-1,216.94

Finding the Fourth Proportional to 3,408.27, 5,113.08 and 1,216.94

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Solution

The fourth proportional to 3,408.27, 5,113.08 and 1,216.94 is: 1,825.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.27 : 5,113.08 = 1,216.94 : x
  2. Step 2: Convert to fraction form
    3,408.27/5,113.08 = 1,216.94/x
  3. Step 3: Cross multiply
    3,408.27x = 5,113.08 × 1,216.94
  4. Step 4: Simplify right side
    3,408.27x = 6,222,309.75
  5. Step 5: Solve for x
    x = 6,222,309.75/3,408.27
  6. Step 6: Final answer
    x = 1,825.65

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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.