Home / 2,835.94-4,251.62-1,274.80

Finding the Fourth Proportional to 2,835.94, 4,251.62 and 1,274.80

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Solution

The fourth proportional to 2,835.94, 4,251.62 and 1,274.80 is: 1,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.94 : 4,251.62 = 1,274.80 : x
  2. Step 2: Convert to fraction form
    2,835.94/4,251.62 = 1,274.80/x
  3. Step 3: Cross multiply
    2,835.94x = 4,251.62 × 1,274.80
  4. Step 4: Simplify right side
    2,835.94x = 5,419,958.80
  5. Step 5: Solve for x
    x = 5,419,958.80/2,835.94
  6. Step 6: Final answer
    x = 1,911.17

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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.