Home / 3,849.68-5,774.88-1,251.92

Finding the Fourth Proportional to 3,849.68, 5,774.88 and 1,251.92

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Solution

The fourth proportional to 3,849.68, 5,774.88 and 1,251.92 is: 1,878.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.68 : 5,774.88 = 1,251.92 : x
  2. Step 2: Convert to fraction form
    3,849.68/5,774.88 = 1,251.92/x
  3. Step 3: Cross multiply
    3,849.68x = 5,774.88 × 1,251.92
  4. Step 4: Simplify right side
    3,849.68x = 7,229,687.77
  5. Step 5: Solve for x
    x = 7,229,687.77/3,849.68
  6. Step 6: Final answer
    x = 1,878.00

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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.