Home / 3,488.82-4,814.68-1,917.02

Finding the Fourth Proportional to 3,488.82, 4,814.68 and 1,917.02

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Solution

The fourth proportional to 3,488.82, 4,814.68 and 1,917.02 is: 2,645.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.82 : 4,814.68 = 1,917.02 : x
  2. Step 2: Convert to fraction form
    3,488.82/4,814.68 = 1,917.02/x
  3. Step 3: Cross multiply
    3,488.82x = 4,814.68 × 1,917.02
  4. Step 4: Simplify right side
    3,488.82x = 9,229,837.85
  5. Step 5: Solve for x
    x = 9,229,837.85/3,488.82
  6. Step 6: Final answer
    x = 2,645.55

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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.