Home / 3,489.24-4,814.87-1,996.81

Finding the Fourth Proportional to 3,489.24, 4,814.87 and 1,996.81

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Solution

The fourth proportional to 3,489.24, 4,814.87 and 1,996.81 is: 2,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.24 : 4,814.87 = 1,996.81 : x
  2. Step 2: Convert to fraction form
    3,489.24/4,814.87 = 1,996.81/x
  3. Step 3: Cross multiply
    3,489.24x = 4,814.87 × 1,996.81
  4. Step 4: Simplify right side
    3,489.24x = 9,614,370.58
  5. Step 5: Solve for x
    x = 9,614,370.58/3,489.24
  6. Step 6: Final answer
    x = 2,755.44

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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.