Home / 3,114.14-4,296.66-2,168.88

Finding the Fourth Proportional to 3,114.14, 4,296.66 and 2,168.88

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Solution

The fourth proportional to 3,114.14, 4,296.66 and 2,168.88 is: 2,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.14 : 4,296.66 = 2,168.88 : x
  2. Step 2: Convert to fraction form
    3,114.14/4,296.66 = 2,168.88/x
  3. Step 3: Cross multiply
    3,114.14x = 4,296.66 × 2,168.88
  4. Step 4: Simplify right side
    3,114.14x = 9,318,939.94
  5. Step 5: Solve for x
    x = 9,318,939.94/3,114.14
  6. Step 6: Final answer
    x = 2,992.46

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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.