Home / 2,226.12-3,339.72-926.88

Finding the Fourth Proportional to 2,226.12, 3,339.72 and 926.88

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Solution

The fourth proportional to 2,226.12, 3,339.72 and 926.88 is: 1,390.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.12 : 3,339.72 = 926.88 : x
  2. Step 2: Convert to fraction form
    2,226.12/3,339.72 = 926.88/x
  3. Step 3: Cross multiply
    2,226.12x = 3,339.72 × 926.88
  4. Step 4: Simplify right side
    2,226.12x = 3,095,519.67
  5. Step 5: Solve for x
    x = 3,095,519.67/2,226.12
  6. Step 6: Final answer
    x = 1,390.54

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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.