Home / 3,975.14-5,486.40-2,296.61

Finding the Fourth Proportional to 3,975.14, 5,486.40 and 2,296.61

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Solution

The fourth proportional to 3,975.14, 5,486.40 and 2,296.61 is: 3,169.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.14 : 5,486.40 = 2,296.61 : x
  2. Step 2: Convert to fraction form
    3,975.14/5,486.40 = 2,296.61/x
  3. Step 3: Cross multiply
    3,975.14x = 5,486.40 × 2,296.61
  4. Step 4: Simplify right side
    3,975.14x = 12,600,109.62
  5. Step 5: Solve for x
    x = 12,600,109.62/3,975.14
  6. Step 6: Final answer
    x = 3,169.73

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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.