Home / 2,857.14-4,286.25-1,396.17

Finding the Fourth Proportional to 2,857.14, 4,286.25 and 1,396.17

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Solution

The fourth proportional to 2,857.14, 4,286.25 and 1,396.17 is: 2,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.14 : 4,286.25 = 1,396.17 : x
  2. Step 2: Convert to fraction form
    2,857.14/4,286.25 = 1,396.17/x
  3. Step 3: Cross multiply
    2,857.14x = 4,286.25 × 1,396.17
  4. Step 4: Simplify right side
    2,857.14x = 5,984,333.66
  5. Step 5: Solve for x
    x = 5,984,333.66/2,857.14
  6. Step 6: Final answer
    x = 2,094.52

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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.