Home / 3,219.52-4,830.92-1,273.36

Finding the Fourth Proportional to 3,219.52, 4,830.92 and 1,273.36

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Solution

The fourth proportional to 3,219.52, 4,830.92 and 1,273.36 is: 1,910.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.52 : 4,830.92 = 1,273.36 : x
  2. Step 2: Convert to fraction form
    3,219.52/4,830.92 = 1,273.36/x
  3. Step 3: Cross multiply
    3,219.52x = 4,830.92 × 1,273.36
  4. Step 4: Simplify right side
    3,219.52x = 6,151,500.29
  5. Step 5: Solve for x
    x = 6,151,500.29/3,219.52
  6. Step 6: Final answer
    x = 1,910.69

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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.