Home / 2,227.86-3,339.44-1,611.28

Finding the Fourth Proportional to 2,227.86, 3,339.44 and 1,611.28

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Solution

The fourth proportional to 2,227.86, 3,339.44 and 1,611.28 is: 2,415.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.86 : 3,339.44 = 1,611.28 : x
  2. Step 2: Convert to fraction form
    2,227.86/3,339.44 = 1,611.28/x
  3. Step 3: Cross multiply
    2,227.86x = 3,339.44 × 1,611.28
  4. Step 4: Simplify right side
    2,227.86x = 5,380,772.88
  5. Step 5: Solve for x
    x = 5,380,772.88/2,227.86
  6. Step 6: Final answer
    x = 2,415.22

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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.