Home / 3,291.01-4,539.43-1,963.82

Finding the Fourth Proportional to 3,291.01, 4,539.43 and 1,963.82

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Solution

The fourth proportional to 3,291.01, 4,539.43 and 1,963.82 is: 2,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.01 : 4,539.43 = 1,963.82 : x
  2. Step 2: Convert to fraction form
    3,291.01/4,539.43 = 1,963.82/x
  3. Step 3: Cross multiply
    3,291.01x = 4,539.43 × 1,963.82
  4. Step 4: Simplify right side
    3,291.01x = 8,914,623.42
  5. Step 5: Solve for x
    x = 8,914,623.42/3,291.01
  6. Step 6: Final answer
    x = 2,708.78

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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.