Home / 3,860.62-5,790.94-1,263.56

Finding the Fourth Proportional to 3,860.62, 5,790.94 and 1,263.56

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Solution

The fourth proportional to 3,860.62, 5,790.94 and 1,263.56 is: 1,895.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.62 : 5,790.94 = 1,263.56 : x
  2. Step 2: Convert to fraction form
    3,860.62/5,790.94 = 1,263.56/x
  3. Step 3: Cross multiply
    3,860.62x = 5,790.94 × 1,263.56
  4. Step 4: Simplify right side
    3,860.62x = 7,317,200.15
  5. Step 5: Solve for x
    x = 7,317,200.15/3,860.62
  6. Step 6: Final answer
    x = 1,895.34

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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.