Home / 3,231.27-4,458.99-1,814.78

Finding the Fourth Proportional to 3,231.27, 4,458.99 and 1,814.78

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Solution

The fourth proportional to 3,231.27, 4,458.99 and 1,814.78 is: 2,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.27 : 4,458.99 = 1,814.78 : x
  2. Step 2: Convert to fraction form
    3,231.27/4,458.99 = 1,814.78/x
  3. Step 3: Cross multiply
    3,231.27x = 4,458.99 × 1,814.78
  4. Step 4: Simplify right side
    3,231.27x = 8,092,103.83
  5. Step 5: Solve for x
    x = 8,092,103.83/3,231.27
  6. Step 6: Final answer
    x = 2,504.31

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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.