Home / 3,860.73-5,791.40-1,263.93

Finding the Fourth Proportional to 3,860.73, 5,791.40 and 1,263.93

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Solution

The fourth proportional to 3,860.73, 5,791.40 and 1,263.93 is: 1,895.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.73 : 5,791.40 = 1,263.93 : x
  2. Step 2: Convert to fraction form
    3,860.73/5,791.40 = 1,263.93/x
  3. Step 3: Cross multiply
    3,860.73x = 5,791.40 × 1,263.93
  4. Step 4: Simplify right side
    3,860.73x = 7,319,917.88
  5. Step 5: Solve for x
    x = 7,319,917.88/3,860.73
  6. Step 6: Final answer
    x = 1,895.99

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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.