Home / 2,828.88-4,239.68-1,184.99

Finding the Fourth Proportional to 2,828.88, 4,239.68 and 1,184.99

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Solution

The fourth proportional to 2,828.88, 4,239.68 and 1,184.99 is: 1,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.88 : 4,239.68 = 1,184.99 : x
  2. Step 2: Convert to fraction form
    2,828.88/4,239.68 = 1,184.99/x
  3. Step 3: Cross multiply
    2,828.88x = 4,239.68 × 1,184.99
  4. Step 4: Simplify right side
    2,828.88x = 5,023,951.28
  5. Step 5: Solve for x
    x = 5,023,951.28/2,828.88
  6. Step 6: Final answer
    x = 1,775.95

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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.