Home / 3,867.50-5,796.38-2,774

Finding the Fourth Proportional to 3,867.50, 5,796.38 and 2,774

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Solution

The fourth proportional to 3,867.50, 5,796.38 and 2,774 is: 4,157.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.50 : 5,796.38 = 2,774 : x
  2. Step 2: Convert to fraction form
    3,867.50/5,796.38 = 2,774/x
  3. Step 3: Cross multiply
    3,867.50x = 5,796.38 × 2,774
  4. Step 4: Simplify right side
    3,867.50x = 16,079,158.12
  5. Step 5: Solve for x
    x = 16,079,158.12/3,867.50
  6. Step 6: Final answer
    x = 4,157.51

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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.