Home / 3,278.49-4,917.53-2,183.51

Finding the Fourth Proportional to 3,278.49, 4,917.53 and 2,183.51

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Solution

The fourth proportional to 3,278.49, 4,917.53 and 2,183.51 is: 3,275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.49 : 4,917.53 = 2,183.51 : x
  2. Step 2: Convert to fraction form
    3,278.49/4,917.53 = 2,183.51/x
  3. Step 3: Cross multiply
    3,278.49x = 4,917.53 × 2,183.51
  4. Step 4: Simplify right side
    3,278.49x = 10,737,440.43
  5. Step 5: Solve for x
    x = 10,737,440.43/3,278.49
  6. Step 6: Final answer
    x = 3,275.12

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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.