Home / 3,163.71-4,745.16-1,314.33

Finding the Fourth Proportional to 3,163.71, 4,745.16 and 1,314.33

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Solution

The fourth proportional to 3,163.71, 4,745.16 and 1,314.33 is: 1,971.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.71 : 4,745.16 = 1,314.33 : x
  2. Step 2: Convert to fraction form
    3,163.71/4,745.16 = 1,314.33/x
  3. Step 3: Cross multiply
    3,163.71x = 4,745.16 × 1,314.33
  4. Step 4: Simplify right side
    3,163.71x = 6,236,706.14
  5. Step 5: Solve for x
    x = 6,236,706.14/3,163.71
  6. Step 6: Final answer
    x = 1,971.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.