Home / 3,288.37-4,537.20-1,961.81

Finding the Fourth Proportional to 3,288.37, 4,537.20 and 1,961.81

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Solution

The fourth proportional to 3,288.37, 4,537.20 and 1,961.81 is: 2,706.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.37 : 4,537.20 = 1,961.81 : x
  2. Step 2: Convert to fraction form
    3,288.37/4,537.20 = 1,961.81/x
  3. Step 3: Cross multiply
    3,288.37x = 4,537.20 × 1,961.81
  4. Step 4: Simplify right side
    3,288.37x = 8,901,135.68
  5. Step 5: Solve for x
    x = 8,901,135.68/3,288.37
  6. Step 6: Final answer
    x = 2,706.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.