Home / 3,849.12-5,772.60-1,253.88

Finding the Fourth Proportional to 3,849.12, 5,772.60 and 1,253.88

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Solution

The fourth proportional to 3,849.12, 5,772.60 and 1,253.88 is: 1,880.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.12 : 5,772.60 = 1,253.88 : x
  2. Step 2: Convert to fraction form
    3,849.12/5,772.60 = 1,253.88/x
  3. Step 3: Cross multiply
    3,849.12x = 5,772.60 × 1,253.88
  4. Step 4: Simplify right side
    3,849.12x = 7,238,147.69
  5. Step 5: Solve for x
    x = 7,238,147.69/3,849.12
  6. Step 6: Final answer
    x = 1,880.47

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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.