Home / 3,764.31-5,195-2,085.79

Finding the Fourth Proportional to 3,764.31, 5,195 and 2,085.79

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Solution

The fourth proportional to 3,764.31, 5,195 and 2,085.79 is: 2,878.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.31 : 5,195 = 2,085.79 : x
  2. Step 2: Convert to fraction form
    3,764.31/5,195 = 2,085.79/x
  3. Step 3: Cross multiply
    3,764.31x = 5,195 × 2,085.79
  4. Step 4: Simplify right side
    3,764.31x = 10,835,679.05
  5. Step 5: Solve for x
    x = 10,835,679.05/3,764.31
  6. Step 6: Final answer
    x = 2,878.53

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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.