Home / 3,682.88-5,517.30-2,857.08

Finding the Fourth Proportional to 3,682.88, 5,517.30 and 2,857.08

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Solution

The fourth proportional to 3,682.88, 5,517.30 and 2,857.08 is: 4,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.88 : 5,517.30 = 2,857.08 : x
  2. Step 2: Convert to fraction form
    3,682.88/5,517.30 = 2,857.08/x
  3. Step 3: Cross multiply
    3,682.88x = 5,517.30 × 2,857.08
  4. Step 4: Simplify right side
    3,682.88x = 15,763,367.48
  5. Step 5: Solve for x
    x = 15,763,367.48/3,682.88
  6. Step 6: Final answer
    x = 4,280.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.