Home / 2,519.23-3,779.97-1,285.99

Finding the Fourth Proportional to 2,519.23, 3,779.97 and 1,285.99

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Solution

The fourth proportional to 2,519.23, 3,779.97 and 1,285.99 is: 1,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.23 : 3,779.97 = 1,285.99 : x
  2. Step 2: Convert to fraction form
    2,519.23/3,779.97 = 1,285.99/x
  3. Step 3: Cross multiply
    2,519.23x = 3,779.97 × 1,285.99
  4. Step 4: Simplify right side
    2,519.23x = 4,861,003.62
  5. Step 5: Solve for x
    x = 4,861,003.62/2,519.23
  6. Step 6: Final answer
    x = 1,929.56

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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.