Home / 3,964.23-5,474.34-2,550.38

Finding the Fourth Proportional to 3,964.23, 5,474.34 and 2,550.38

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Solution

The fourth proportional to 3,964.23, 5,474.34 and 2,550.38 is: 3,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.23 : 5,474.34 = 2,550.38 : x
  2. Step 2: Convert to fraction form
    3,964.23/5,474.34 = 2,550.38/x
  3. Step 3: Cross multiply
    3,964.23x = 5,474.34 × 2,550.38
  4. Step 4: Simplify right side
    3,964.23x = 13,961,619.88
  5. Step 5: Solve for x
    x = 13,961,619.88/3,964.23
  6. Step 6: Final answer
    x = 3,521.90

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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.