Home / 2,262.32-3,121.86-1,267.44

Finding the Fourth Proportional to 2,262.32, 3,121.86 and 1,267.44

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Solution

The fourth proportional to 2,262.32, 3,121.86 and 1,267.44 is: 1,748.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.32 : 3,121.86 = 1,267.44 : x
  2. Step 2: Convert to fraction form
    2,262.32/3,121.86 = 1,267.44/x
  3. Step 3: Cross multiply
    2,262.32x = 3,121.86 × 1,267.44
  4. Step 4: Simplify right side
    2,262.32x = 3,956,770.24
  5. Step 5: Solve for x
    x = 3,956,770.24/2,262.32
  6. Step 6: Final answer
    x = 1,748.99

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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.