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Finding the Fourth Proportional to 2,684.02, 4,025.49 and 834.52

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Solution

The fourth proportional to 2,684.02, 4,025.49 and 834.52 is: 1,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.02 : 4,025.49 = 834.52 : x
  2. Step 2: Convert to fraction form
    2,684.02/4,025.49 = 834.52/x
  3. Step 3: Cross multiply
    2,684.02x = 4,025.49 × 834.52
  4. Step 4: Simplify right side
    2,684.02x = 3,359,351.91
  5. Step 5: Solve for x
    x = 3,359,351.91/2,684.02
  6. Step 6: Final answer
    x = 1,251.61

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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.