Home / 3,163.97-4,747.67-1,316.36

Finding the Fourth Proportional to 3,163.97, 4,747.67 and 1,316.36

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Solution

The fourth proportional to 3,163.97, 4,747.67 and 1,316.36 is: 1,975.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.97 : 4,747.67 = 1,316.36 : x
  2. Step 2: Convert to fraction form
    3,163.97/4,747.67 = 1,316.36/x
  3. Step 3: Cross multiply
    3,163.97x = 4,747.67 × 1,316.36
  4. Step 4: Simplify right side
    3,163.97x = 6,249,642.88
  5. Step 5: Solve for x
    x = 6,249,642.88/3,163.97
  6. Step 6: Final answer
    x = 1,975.25

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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.