Home / 2,200.32-3,297.18-1,226.70

Finding the Fourth Proportional to 2,200.32, 3,297.18 and 1,226.70

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Solution

The fourth proportional to 2,200.32, 3,297.18 and 1,226.70 is: 1,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.32 : 3,297.18 = 1,226.70 : x
  2. Step 2: Convert to fraction form
    2,200.32/3,297.18 = 1,226.70/x
  3. Step 3: Cross multiply
    2,200.32x = 3,297.18 × 1,226.70
  4. Step 4: Simplify right side
    2,200.32x = 4,044,650.71
  5. Step 5: Solve for x
    x = 4,044,650.71/2,200.32
  6. Step 6: Final answer
    x = 1,838.21

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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.