Home / 3,745.08-5,168.19-2,151.82

Finding the Fourth Proportional to 3,745.08, 5,168.19 and 2,151.82

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Solution

The fourth proportional to 3,745.08, 5,168.19 and 2,151.82 is: 2,969.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.08 : 5,168.19 = 2,151.82 : x
  2. Step 2: Convert to fraction form
    3,745.08/5,168.19 = 2,151.82/x
  3. Step 3: Cross multiply
    3,745.08x = 5,168.19 × 2,151.82
  4. Step 4: Simplify right side
    3,745.08x = 11,121,014.61
  5. Step 5: Solve for x
    x = 11,121,014.61/3,745.08
  6. Step 6: Final answer
    x = 2,969.50

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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.