Home / 3,861.18-5,788.52-1,519.88

Finding the Fourth Proportional to 3,861.18, 5,788.52 and 1,519.88

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Solution

The fourth proportional to 3,861.18, 5,788.52 and 1,519.88 is: 2,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.18 : 5,788.52 = 1,519.88 : x
  2. Step 2: Convert to fraction form
    3,861.18/5,788.52 = 1,519.88/x
  3. Step 3: Cross multiply
    3,861.18x = 5,788.52 × 1,519.88
  4. Step 4: Simplify right side
    3,861.18x = 8,797,855.78
  5. Step 5: Solve for x
    x = 8,797,855.78/3,861.18
  6. Step 6: Final answer
    x = 2,278.54

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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.