Home / 3,276.72-4,522.13-1,860.64

Finding the Fourth Proportional to 3,276.72, 4,522.13 and 1,860.64

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Solution

The fourth proportional to 3,276.72, 4,522.13 and 1,860.64 is: 2,567.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.72 : 4,522.13 = 1,860.64 : x
  2. Step 2: Convert to fraction form
    3,276.72/4,522.13 = 1,860.64/x
  3. Step 3: Cross multiply
    3,276.72x = 4,522.13 × 1,860.64
  4. Step 4: Simplify right side
    3,276.72x = 8,414,042.33
  5. Step 5: Solve for x
    x = 8,414,042.33/3,276.72
  6. Step 6: Final answer
    x = 2,567.82

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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.