Home / 3,867.96-5,796.70-1,783.38

Finding the Fourth Proportional to 3,867.96, 5,796.70 and 1,783.38

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Solution

The fourth proportional to 3,867.96, 5,796.70 and 1,783.38 is: 2,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.96 : 5,796.70 = 1,783.38 : x
  2. Step 2: Convert to fraction form
    3,867.96/5,796.70 = 1,783.38/x
  3. Step 3: Cross multiply
    3,867.96x = 5,796.70 × 1,783.38
  4. Step 4: Simplify right side
    3,867.96x = 10,337,718.85
  5. Step 5: Solve for x
    x = 10,337,718.85/3,867.96
  6. Step 6: Final answer
    x = 2,672.65

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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.