Home / 3,860.16-5,791.04-1,262.88

Finding the Fourth Proportional to 3,860.16, 5,791.04 and 1,262.88

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Solution

The fourth proportional to 3,860.16, 5,791.04 and 1,262.88 is: 1,894.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.16 : 5,791.04 = 1,262.88 : x
  2. Step 2: Convert to fraction form
    3,860.16/5,791.04 = 1,262.88/x
  3. Step 3: Cross multiply
    3,860.16x = 5,791.04 × 1,262.88
  4. Step 4: Simplify right side
    3,860.16x = 7,313,388.60
  5. Step 5: Solve for x
    x = 7,313,388.60/3,860.16
  6. Step 6: Final answer
    x = 1,894.58

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1.5x scale

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.