Home / 3,960.56-5,464.99-2,192.15

Finding the Fourth Proportional to 3,960.56, 5,464.99 and 2,192.15

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Solution

The fourth proportional to 3,960.56, 5,464.99 and 2,192.15 is: 3,024.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.56 : 5,464.99 = 2,192.15 : x
  2. Step 2: Convert to fraction form
    3,960.56/5,464.99 = 2,192.15/x
  3. Step 3: Cross multiply
    3,960.56x = 5,464.99 × 2,192.15
  4. Step 4: Simplify right side
    3,960.56x = 11,980,086.01
  5. Step 5: Solve for x
    x = 11,980,086.01/3,960.56
  6. Step 6: Final answer
    x = 3,024.85

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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.