Home / 2,745.68-3,789.18-1,626.66

Finding the Fourth Proportional to 2,745.68, 3,789.18 and 1,626.66

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Solution

The fourth proportional to 2,745.68, 3,789.18 and 1,626.66 is: 2,244.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.68 : 3,789.18 = 1,626.66 : x
  2. Step 2: Convert to fraction form
    2,745.68/3,789.18 = 1,626.66/x
  3. Step 3: Cross multiply
    2,745.68x = 3,789.18 × 1,626.66
  4. Step 4: Simplify right side
    2,745.68x = 6,163,707.54
  5. Step 5: Solve for x
    x = 6,163,707.54/2,745.68
  6. Step 6: Final answer
    x = 2,244.88

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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.