Home / 3,860.11-5,791.22-1,263.02

Finding the Fourth Proportional to 3,860.11, 5,791.22 and 1,263.02

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Solution

The fourth proportional to 3,860.11, 5,791.22 and 1,263.02 is: 1,894.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.11 : 5,791.22 = 1,263.02 : x
  2. Step 2: Convert to fraction form
    3,860.11/5,791.22 = 1,263.02/x
  3. Step 3: Cross multiply
    3,860.11x = 5,791.22 × 1,263.02
  4. Step 4: Simplify right side
    3,860.11x = 7,314,420.37
  5. Step 5: Solve for x
    x = 7,314,420.37/3,860.11
  6. Step 6: Final answer
    x = 1,894.88

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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.