Home / 3,914.32-5,866-2,813.52

Finding the Fourth Proportional to 3,914.32, 5,866 and 2,813.52

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Solution

The fourth proportional to 3,914.32, 5,866 and 2,813.52 is: 4,216.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.32 : 5,866 = 2,813.52 : x
  2. Step 2: Convert to fraction form
    3,914.32/5,866 = 2,813.52/x
  3. Step 3: Cross multiply
    3,914.32x = 5,866 × 2,813.52
  4. Step 4: Simplify right side
    3,914.32x = 16,504,108.32
  5. Step 5: Solve for x
    x = 16,504,108.32/3,914.32
  6. Step 6: Final answer
    x = 4,216.34

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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.