Home / 3,290.36-4,539.96-1,963.82

Finding the Fourth Proportional to 3,290.36, 4,539.96 and 1,963.82

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Solution

The fourth proportional to 3,290.36, 4,539.96 and 1,963.82 is: 2,709.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.36 : 4,539.96 = 1,963.82 : x
  2. Step 2: Convert to fraction form
    3,290.36/4,539.96 = 1,963.82/x
  3. Step 3: Cross multiply
    3,290.36x = 4,539.96 × 1,963.82
  4. Step 4: Simplify right side
    3,290.36x = 8,915,664.25
  5. Step 5: Solve for x
    x = 8,915,664.25/3,290.36
  6. Step 6: Final answer
    x = 2,709.63

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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.