Home / 3,110.67-4,288.94-2,167.29

Finding the Fourth Proportional to 3,110.67, 4,288.94 and 2,167.29

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Solution

The fourth proportional to 3,110.67, 4,288.94 and 2,167.29 is: 2,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.67 : 4,288.94 = 2,167.29 : x
  2. Step 2: Convert to fraction form
    3,110.67/4,288.94 = 2,167.29/x
  3. Step 3: Cross multiply
    3,110.67x = 4,288.94 × 2,167.29
  4. Step 4: Simplify right side
    3,110.67x = 9,295,365.94
  5. Step 5: Solve for x
    x = 9,295,365.94/3,110.67
  6. Step 6: Final answer
    x = 2,988.22

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1.5x scale

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.