Home / 3,488.49-4,814.13-1,996.43

Finding the Fourth Proportional to 3,488.49, 4,814.13 and 1,996.43

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Solution

The fourth proportional to 3,488.49, 4,814.13 and 1,996.43 is: 2,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.49 : 4,814.13 = 1,996.43 : x
  2. Step 2: Convert to fraction form
    3,488.49/4,814.13 = 1,996.43/x
  3. Step 3: Cross multiply
    3,488.49x = 4,814.13 × 1,996.43
  4. Step 4: Simplify right side
    3,488.49x = 9,611,104.36
  5. Step 5: Solve for x
    x = 9,611,104.36/3,488.49
  6. Step 6: Final answer
    x = 2,755.09

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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.