Home / 3,163.86-4,359.96-2,277.99

Finding the Fourth Proportional to 3,163.86, 4,359.96 and 2,277.99

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Solution

The fourth proportional to 3,163.86, 4,359.96 and 2,277.99 is: 3,139.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.86 : 4,359.96 = 2,277.99 : x
  2. Step 2: Convert to fraction form
    3,163.86/4,359.96 = 2,277.99/x
  3. Step 3: Cross multiply
    3,163.86x = 4,359.96 × 2,277.99
  4. Step 4: Simplify right side
    3,163.86x = 9,931,945.28
  5. Step 5: Solve for x
    x = 9,931,945.28/3,163.86
  6. Step 6: Final answer
    x = 3,139.19

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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.