Home / 3,488.30-4,814.12-1,996.68

Finding the Fourth Proportional to 3,488.30, 4,814.12 and 1,996.68

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Solution

The fourth proportional to 3,488.30, 4,814.12 and 1,996.68 is: 2,755.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.30 : 4,814.12 = 1,996.68 : x
  2. Step 2: Convert to fraction form
    3,488.30/4,814.12 = 1,996.68/x
  3. Step 3: Cross multiply
    3,488.30x = 4,814.12 × 1,996.68
  4. Step 4: Simplify right side
    3,488.30x = 9,612,247.14
  5. Step 5: Solve for x
    x = 9,612,247.14/3,488.30
  6. Step 6: Final answer
    x = 2,755.57

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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.