Home / 3,679.25-5,077.49-2,085.88

Finding the Fourth Proportional to 3,679.25, 5,077.49 and 2,085.88

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Solution

The fourth proportional to 3,679.25, 5,077.49 and 2,085.88 is: 2,878.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.25 : 5,077.49 = 2,085.88 : x
  2. Step 2: Convert to fraction form
    3,679.25/5,077.49 = 2,085.88/x
  3. Step 3: Cross multiply
    3,679.25x = 5,077.49 × 2,085.88
  4. Step 4: Simplify right side
    3,679.25x = 10,591,034.84
  5. Step 5: Solve for x
    x = 10,591,034.84/3,679.25
  6. Step 6: Final answer
    x = 2,878.59

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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.