Home / 3,256.80-4,872.96-2,163.84

Finding the Fourth Proportional to 3,256.80, 4,872.96 and 2,163.84

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Solution

The fourth proportional to 3,256.80, 4,872.96 and 2,163.84 is: 3,237.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.80 : 4,872.96 = 2,163.84 : x
  2. Step 2: Convert to fraction form
    3,256.80/4,872.96 = 2,163.84/x
  3. Step 3: Cross multiply
    3,256.80x = 4,872.96 × 2,163.84
  4. Step 4: Simplify right side
    3,256.80x = 10,544,305.77
  5. Step 5: Solve for x
    x = 10,544,305.77/3,256.80
  6. Step 6: Final answer
    x = 3,237.63

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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.