Home / 2,729.40-3,766.77-2,286.54

Finding the Fourth Proportional to 2,729.40, 3,766.77 and 2,286.54

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Solution

The fourth proportional to 2,729.40, 3,766.77 and 2,286.54 is: 3,155.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.40 : 3,766.77 = 2,286.54 : x
  2. Step 2: Convert to fraction form
    2,729.40/3,766.77 = 2,286.54/x
  3. Step 3: Cross multiply
    2,729.40x = 3,766.77 × 2,286.54
  4. Step 4: Simplify right side
    2,729.40x = 8,612,870.28
  5. Step 5: Solve for x
    x = 8,612,870.28/2,729.40
  6. Step 6: Final answer
    x = 3,155.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.