Home / 2,022.45-3,033.55-851.95

Finding the Fourth Proportional to 2,022.45, 3,033.55 and 851.95

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Solution

The fourth proportional to 2,022.45, 3,033.55 and 851.95 is: 1,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.45 : 3,033.55 = 851.95 : x
  2. Step 2: Convert to fraction form
    2,022.45/3,033.55 = 851.95/x
  3. Step 3: Cross multiply
    2,022.45x = 3,033.55 × 851.95
  4. Step 4: Simplify right side
    2,022.45x = 2,584,432.92
  5. Step 5: Solve for x
    x = 2,584,432.92/2,022.45
  6. Step 6: Final answer
    x = 1,277.87

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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.