Home / 3,144.28-4,338.70-1,867.96

Finding the Fourth Proportional to 3,144.28, 4,338.70 and 1,867.96

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Solution

The fourth proportional to 3,144.28, 4,338.70 and 1,867.96 is: 2,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.28 : 4,338.70 = 1,867.96 : x
  2. Step 2: Convert to fraction form
    3,144.28/4,338.70 = 1,867.96/x
  3. Step 3: Cross multiply
    3,144.28x = 4,338.70 × 1,867.96
  4. Step 4: Simplify right side
    3,144.28x = 8,104,518.05
  5. Step 5: Solve for x
    x = 8,104,518.05/3,144.28
  6. Step 6: Final answer
    x = 2,577.54

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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.