Home / 2,262.92-3,122.60-1,267.98

Finding the Fourth Proportional to 2,262.92, 3,122.60 and 1,267.98

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Solution

The fourth proportional to 2,262.92, 3,122.60 and 1,267.98 is: 1,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.92 : 3,122.60 = 1,267.98 : x
  2. Step 2: Convert to fraction form
    2,262.92/3,122.60 = 1,267.98/x
  3. Step 3: Cross multiply
    2,262.92x = 3,122.60 × 1,267.98
  4. Step 4: Simplify right side
    2,262.92x = 3,959,397.52
  5. Step 5: Solve for x
    x = 3,959,397.52/2,262.92
  6. Step 6: Final answer
    x = 1,749.69

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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.