Home / 3,795.05-5,237.15-2,116.48

Finding the Fourth Proportional to 3,795.05, 5,237.15 and 2,116.48

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Solution

The fourth proportional to 3,795.05, 5,237.15 and 2,116.48 is: 2,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,795.05 : 5,237.15 = 2,116.48 : x
  2. Step 2: Convert to fraction form
    3,795.05/5,237.15 = 2,116.48/x
  3. Step 3: Cross multiply
    3,795.05x = 5,237.15 × 2,116.48
  4. Step 4: Simplify right side
    3,795.05x = 11,084,299.56
  5. Step 5: Solve for x
    x = 11,084,299.56/3,795.05
  6. Step 6: Final answer
    x = 2,920.73

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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.