Home / 2,650.25-3,974.70-800.92

Finding the Fourth Proportional to 2,650.25, 3,974.70 and 800.92

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Solution

The fourth proportional to 2,650.25, 3,974.70 and 800.92 is: 1,201.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.25 : 3,974.70 = 800.92 : x
  2. Step 2: Convert to fraction form
    2,650.25/3,974.70 = 800.92/x
  3. Step 3: Cross multiply
    2,650.25x = 3,974.70 × 800.92
  4. Step 4: Simplify right side
    2,650.25x = 3,183,424.70
  5. Step 5: Solve for x
    x = 3,183,424.70/2,650.25
  6. Step 6: Final answer
    x = 1,201.18

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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.