Home / 3,163.85-4,366.68-1,887.81

Finding the Fourth Proportional to 3,163.85, 4,366.68 and 1,887.81

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Solution

The fourth proportional to 3,163.85, 4,366.68 and 1,887.81 is: 2,605.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.85 : 4,366.68 = 1,887.81 : x
  2. Step 2: Convert to fraction form
    3,163.85/4,366.68 = 1,887.81/x
  3. Step 3: Cross multiply
    3,163.85x = 4,366.68 × 1,887.81
  4. Step 4: Simplify right side
    3,163.85x = 8,243,462.17
  5. Step 5: Solve for x
    x = 8,243,462.17/3,163.85
  6. Step 6: Final answer
    x = 2,605.52

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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.