Home / 3,753.08-5,179.32-2,160.08

Finding the Fourth Proportional to 3,753.08, 5,179.32 and 2,160.08

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Solution

The fourth proportional to 3,753.08, 5,179.32 and 2,160.08 is: 2,980.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.08 : 5,179.32 = 2,160.08 : x
  2. Step 2: Convert to fraction form
    3,753.08/5,179.32 = 2,160.08/x
  3. Step 3: Cross multiply
    3,753.08x = 5,179.32 × 2,160.08
  4. Step 4: Simplify right side
    3,753.08x = 11,187,745.55
  5. Step 5: Solve for x
    x = 11,187,745.55/3,753.08
  6. Step 6: Final answer
    x = 2,980.95

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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.