Home / 3,489.07-4,814.83-1,996.89

Finding the Fourth Proportional to 3,489.07, 4,814.83 and 1,996.89

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Solution

The fourth proportional to 3,489.07, 4,814.83 and 1,996.89 is: 2,755.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.07 : 4,814.83 = 1,996.89 : x
  2. Step 2: Convert to fraction form
    3,489.07/4,814.83 = 1,996.89/x
  3. Step 3: Cross multiply
    3,489.07x = 4,814.83 × 1,996.89
  4. Step 4: Simplify right side
    3,489.07x = 9,614,680.89
  5. Step 5: Solve for x
    x = 9,614,680.89/3,489.07
  6. Step 6: Final answer
    x = 2,755.66

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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.