Home / 2,022.21-3,032.06-851.61

Finding the Fourth Proportional to 2,022.21, 3,032.06 and 851.61

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Solution

The fourth proportional to 2,022.21, 3,032.06 and 851.61 is: 1,276.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.21 : 3,032.06 = 851.61 : x
  2. Step 2: Convert to fraction form
    2,022.21/3,032.06 = 851.61/x
  3. Step 3: Cross multiply
    2,022.21x = 3,032.06 × 851.61
  4. Step 4: Simplify right side
    2,022.21x = 2,582,135.99
  5. Step 5: Solve for x
    x = 2,582,135.99/2,022.21
  6. Step 6: Final answer
    x = 1,276.89

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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.