Home / 3,290.37-4,539.96-1,963.81

Finding the Fourth Proportional to 3,290.37, 4,539.96 and 1,963.81

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Solution

The fourth proportional to 3,290.37, 4,539.96 and 1,963.81 is: 2,709.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.37 : 4,539.96 = 1,963.81 : x
  2. Step 2: Convert to fraction form
    3,290.37/4,539.96 = 1,963.81/x
  3. Step 3: Cross multiply
    3,290.37x = 4,539.96 × 1,963.81
  4. Step 4: Simplify right side
    3,290.37x = 8,915,618.85
  5. Step 5: Solve for x
    x = 8,915,618.85/3,290.37
  6. Step 6: Final answer
    x = 2,709.61

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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.