Home / 3,163.81-4,366.25-1,837.81

Finding the Fourth Proportional to 3,163.81, 4,366.25 and 1,837.81

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Solution

The fourth proportional to 3,163.81, 4,366.25 and 1,837.81 is: 2,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.81 : 4,366.25 = 1,837.81 : x
  2. Step 2: Convert to fraction form
    3,163.81/4,366.25 = 1,837.81/x
  3. Step 3: Cross multiply
    3,163.81x = 4,366.25 × 1,837.81
  4. Step 4: Simplify right side
    3,163.81x = 8,024,320.68
  5. Step 5: Solve for x
    x = 8,024,320.68/3,163.81
  6. Step 6: Final answer
    x = 2,536.29

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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.