Home / 3,928.23-5,892.62-2,207.79

Finding the Fourth Proportional to 3,928.23, 5,892.62 and 2,207.79

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Solution

The fourth proportional to 3,928.23, 5,892.62 and 2,207.79 is: 3,311.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.23 : 5,892.62 = 2,207.79 : x
  2. Step 2: Convert to fraction form
    3,928.23/5,892.62 = 2,207.79/x
  3. Step 3: Cross multiply
    3,928.23x = 5,892.62 × 2,207.79
  4. Step 4: Simplify right side
    3,928.23x = 13,009,656.47
  5. Step 5: Solve for x
    x = 13,009,656.47/3,928.23
  6. Step 6: Final answer
    x = 3,311.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.