Home / 3,865.05-5,795.73-1,672.88

Finding the Fourth Proportional to 3,865.05, 5,795.73 and 1,672.88

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Solution

The fourth proportional to 3,865.05, 5,795.73 and 1,672.88 is: 2,508.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.05 : 5,795.73 = 1,672.88 : x
  2. Step 2: Convert to fraction form
    3,865.05/5,795.73 = 1,672.88/x
  3. Step 3: Cross multiply
    3,865.05x = 5,795.73 × 1,672.88
  4. Step 4: Simplify right side
    3,865.05x = 9,695,531.82
  5. Step 5: Solve for x
    x = 9,695,531.82/3,865.05
  6. Step 6: Final answer
    x = 2,508.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.