Home / 2,512.27-3,766.75-1,123.70

Finding the Fourth Proportional to 2,512.27, 3,766.75 and 1,123.70

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Solution

The fourth proportional to 2,512.27, 3,766.75 and 1,123.70 is: 1,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.27 : 3,766.75 = 1,123.70 : x
  2. Step 2: Convert to fraction form
    2,512.27/3,766.75 = 1,123.70/x
  3. Step 3: Cross multiply
    2,512.27x = 3,766.75 × 1,123.70
  4. Step 4: Simplify right side
    2,512.27x = 4,232,684.75
  5. Step 5: Solve for x
    x = 4,232,684.75/2,512.27
  6. Step 6: Final answer
    x = 1,684.80

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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.