Home / 3,163.59-4,364.42-2,115.99

Finding the Fourth Proportional to 3,163.59, 4,364.42 and 2,115.99

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Solution

The fourth proportional to 3,163.59, 4,364.42 and 2,115.99 is: 2,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.59 : 4,364.42 = 2,115.99 : x
  2. Step 2: Convert to fraction form
    3,163.59/4,364.42 = 2,115.99/x
  3. Step 3: Cross multiply
    3,163.59x = 4,364.42 × 2,115.99
  4. Step 4: Simplify right side
    3,163.59x = 9,235,058.50
  5. Step 5: Solve for x
    x = 9,235,058.50/3,163.59
  6. Step 6: Final answer
    x = 2,919.17

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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.