Home / 2,262.62-3,122.02-1,267.76

Finding the Fourth Proportional to 2,262.62, 3,122.02 and 1,267.76

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Solution

The fourth proportional to 2,262.62, 3,122.02 and 1,267.76 is: 1,749.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.62 : 3,122.02 = 1,267.76 : x
  2. Step 2: Convert to fraction form
    2,262.62/3,122.02 = 1,267.76/x
  3. Step 3: Cross multiply
    2,262.62x = 3,122.02 × 1,267.76
  4. Step 4: Simplify right side
    2,262.62x = 3,957,972.08
  5. Step 5: Solve for x
    x = 3,957,972.08/2,262.62
  6. Step 6: Final answer
    x = 1,749.29

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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.