Home / 3,724.23-5,141.84-2,309.42

Finding the Fourth Proportional to 3,724.23, 5,141.84 and 2,309.42

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Solution

The fourth proportional to 3,724.23, 5,141.84 and 2,309.42 is: 3,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.23 : 5,141.84 = 2,309.42 : x
  2. Step 2: Convert to fraction form
    3,724.23/5,141.84 = 2,309.42/x
  3. Step 3: Cross multiply
    3,724.23x = 5,141.84 × 2,309.42
  4. Step 4: Simplify right side
    3,724.23x = 11,874,630.88
  5. Step 5: Solve for x
    x = 11,874,630.88/3,724.23
  6. Step 6: Final answer
    x = 3,188.48

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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.