Home / 3,261.80-4,497.95-2,791.24

Finding the Fourth Proportional to 3,261.80, 4,497.95 and 2,791.24

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Solution

The fourth proportional to 3,261.80, 4,497.95 and 2,791.24 is: 3,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.80 : 4,497.95 = 2,791.24 : x
  2. Step 2: Convert to fraction form
    3,261.80/4,497.95 = 2,791.24/x
  3. Step 3: Cross multiply
    3,261.80x = 4,497.95 × 2,791.24
  4. Step 4: Simplify right side
    3,261.80x = 12,554,853.69
  5. Step 5: Solve for x
    x = 12,554,853.69/3,261.80
  6. Step 6: Final answer
    x = 3,849.05

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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.