Home / 3,810.12-5,272.92-3,745.32

Finding the Fourth Proportional to 3,810.12, 5,272.92 and 3,745.32

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Solution

The fourth proportional to 3,810.12, 5,272.92 and 3,745.32 is: 5,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.12 : 5,272.92 = 3,745.32 : x
  2. Step 2: Convert to fraction form
    3,810.12/5,272.92 = 3,745.32/x
  3. Step 3: Cross multiply
    3,810.12x = 5,272.92 × 3,745.32
  4. Step 4: Simplify right side
    3,810.12x = 19,748,772.73
  5. Step 5: Solve for x
    x = 19,748,772.73/3,810.12
  6. Step 6: Final answer
    x = 5,183.24

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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.