Home / 3,867.96-5,795.46-2,131.32

Finding the Fourth Proportional to 3,867.96, 5,795.46 and 2,131.32

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Solution

The fourth proportional to 3,867.96, 5,795.46 and 2,131.32 is: 3,193.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.96 : 5,795.46 = 2,131.32 : x
  2. Step 2: Convert to fraction form
    3,867.96/5,795.46 = 2,131.32/x
  3. Step 3: Cross multiply
    3,867.96x = 5,795.46 × 2,131.32
  4. Step 4: Simplify right side
    3,867.96x = 12,351,979.81
  5. Step 5: Solve for x
    x = 12,351,979.81/3,867.96
  6. Step 6: Final answer
    x = 3,193.41

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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.