Home / 2,771.38-3,816.34-2,476.54

Finding the Fourth Proportional to 2,771.38, 3,816.34 and 2,476.54

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Solution

The fourth proportional to 2,771.38, 3,816.34 and 2,476.54 is: 3,410.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.38 : 3,816.34 = 2,476.54 : x
  2. Step 2: Convert to fraction form
    2,771.38/3,816.34 = 2,476.54/x
  3. Step 3: Cross multiply
    2,771.38x = 3,816.34 × 2,476.54
  4. Step 4: Simplify right side
    2,771.38x = 9,451,318.66
  5. Step 5: Solve for x
    x = 9,451,318.66/2,771.38
  6. Step 6: Final answer
    x = 3,410.33

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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.