Home / 2,861.67-4,288.37-1,399.17

Finding the Fourth Proportional to 2,861.67, 4,288.37 and 1,399.17

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Solution

The fourth proportional to 2,861.67, 4,288.37 and 1,399.17 is: 2,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.67 : 4,288.37 = 1,399.17 : x
  2. Step 2: Convert to fraction form
    2,861.67/4,288.37 = 1,399.17/x
  3. Step 3: Cross multiply
    2,861.67x = 4,288.37 × 1,399.17
  4. Step 4: Simplify right side
    2,861.67x = 6,000,151.66
  5. Step 5: Solve for x
    x = 6,000,151.66/2,861.67
  6. Step 6: Final answer
    x = 2,096.73

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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.