Home / 3,753.12-5,179.32-2,097.12

Finding the Fourth Proportional to 3,753.12, 5,179.32 and 2,097.12

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Solution

The fourth proportional to 3,753.12, 5,179.32 and 2,097.12 is: 2,894.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.12 : 5,179.32 = 2,097.12 : x
  2. Step 2: Convert to fraction form
    3,753.12/5,179.32 = 2,097.12/x
  3. Step 3: Cross multiply
    3,753.12x = 5,179.32 × 2,097.12
  4. Step 4: Simplify right side
    3,753.12x = 10,861,655.56
  5. Step 5: Solve for x
    x = 10,861,655.56/3,753.12
  6. Step 6: Final answer
    x = 2,894.03

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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.