Home / 3,313.20-4,965.13-2,616.81

Finding the Fourth Proportional to 3,313.20, 4,965.13 and 2,616.81

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Solution

The fourth proportional to 3,313.20, 4,965.13 and 2,616.81 is: 3,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.20 : 4,965.13 = 2,616.81 : x
  2. Step 2: Convert to fraction form
    3,313.20/4,965.13 = 2,616.81/x
  3. Step 3: Cross multiply
    3,313.20x = 4,965.13 × 2,616.81
  4. Step 4: Simplify right side
    3,313.20x = 12,992,801.84
  5. Step 5: Solve for x
    x = 12,992,801.84/3,313.20
  6. Step 6: Final answer
    x = 3,921.53

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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.