Home / 3,672.88-5,069.27-2,181.61

Finding the Fourth Proportional to 3,672.88, 5,069.27 and 2,181.61

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Solution

The fourth proportional to 3,672.88, 5,069.27 and 2,181.61 is: 3,011.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.88 : 5,069.27 = 2,181.61 : x
  2. Step 2: Convert to fraction form
    3,672.88/5,069.27 = 2,181.61/x
  3. Step 3: Cross multiply
    3,672.88x = 5,069.27 × 2,181.61
  4. Step 4: Simplify right side
    3,672.88x = 11,059,133.87
  5. Step 5: Solve for x
    x = 11,059,133.87/3,672.88
  6. Step 6: Final answer
    x = 3,011.03

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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.