Home / 3,862.05-5,765.09-3,394.95

Finding the Fourth Proportional to 3,862.05, 5,765.09 and 3,394.95

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Solution

The fourth proportional to 3,862.05, 5,765.09 and 3,394.95 is: 5,067.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.05 : 5,765.09 = 3,394.95 : x
  2. Step 2: Convert to fraction form
    3,862.05/5,765.09 = 3,394.95/x
  3. Step 3: Cross multiply
    3,862.05x = 5,765.09 × 3,394.95
  4. Step 4: Simplify right side
    3,862.05x = 19,572,175.32
  5. Step 5: Solve for x
    x = 19,572,175.32/3,862.05
  6. Step 6: Final answer
    x = 5,067.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.