Home / 3,611.36-4,983.20-2,282.72

Finding the Fourth Proportional to 3,611.36, 4,983.20 and 2,282.72

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Solution

The fourth proportional to 3,611.36, 4,983.20 and 2,282.72 is: 3,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.36 : 4,983.20 = 2,282.72 : x
  2. Step 2: Convert to fraction form
    3,611.36/4,983.20 = 2,282.72/x
  3. Step 3: Cross multiply
    3,611.36x = 4,983.20 × 2,282.72
  4. Step 4: Simplify right side
    3,611.36x = 11,375,250.30
  5. Step 5: Solve for x
    x = 11,375,250.30/3,611.36
  6. Step 6: Final answer
    x = 3,149.85

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1.5x scale

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.