Home / 3,745.60-5,168.88-2,067.18

Finding the Fourth Proportional to 3,745.60, 5,168.88 and 2,067.18

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Solution

The fourth proportional to 3,745.60, 5,168.88 and 2,067.18 is: 2,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.60 : 5,168.88 = 2,067.18 : x
  2. Step 2: Convert to fraction form
    3,745.60/5,168.88 = 2,067.18/x
  3. Step 3: Cross multiply
    3,745.60x = 5,168.88 × 2,067.18
  4. Step 4: Simplify right side
    3,745.60x = 10,685,005.36
  5. Step 5: Solve for x
    x = 10,685,005.36/3,745.60
  6. Step 6: Final answer
    x = 2,852.68

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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.