Home / 3,163.05-4,365.81-1,836.57

Finding the Fourth Proportional to 3,163.05, 4,365.81 and 1,836.57

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Solution

The fourth proportional to 3,163.05, 4,365.81 and 1,836.57 is: 2,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.05 : 4,365.81 = 1,836.57 : x
  2. Step 2: Convert to fraction form
    3,163.05/4,365.81 = 1,836.57/x
  3. Step 3: Cross multiply
    3,163.05x = 4,365.81 × 1,836.57
  4. Step 4: Simplify right side
    3,163.05x = 8,018,115.67
  5. Step 5: Solve for x
    x = 8,018,115.67/3,163.05
  6. Step 6: Final answer
    x = 2,534.93

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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.