Home / 2,208.59-3,046.58-1,379.15

Finding the Fourth Proportional to 2,208.59, 3,046.58 and 1,379.15

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Solution

The fourth proportional to 2,208.59, 3,046.58 and 1,379.15 is: 1,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.59 : 3,046.58 = 1,379.15 : x
  2. Step 2: Convert to fraction form
    2,208.59/3,046.58 = 1,379.15/x
  3. Step 3: Cross multiply
    2,208.59x = 3,046.58 × 1,379.15
  4. Step 4: Simplify right side
    2,208.59x = 4,201,668.68
  5. Step 5: Solve for x
    x = 4,201,668.68/2,208.59
  6. Step 6: Final answer
    x = 1,902.43

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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.