Home / 3,289.60-4,932.99-1,208.92

Finding the Fourth Proportional to 3,289.60, 4,932.99 and 1,208.92

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Solution

The fourth proportional to 3,289.60, 4,932.99 and 1,208.92 is: 1,812.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.60 : 4,932.99 = 1,208.92 : x
  2. Step 2: Convert to fraction form
    3,289.60/4,932.99 = 1,208.92/x
  3. Step 3: Cross multiply
    3,289.60x = 4,932.99 × 1,208.92
  4. Step 4: Simplify right side
    3,289.60x = 5,963,590.27
  5. Step 5: Solve for x
    x = 5,963,590.27/3,289.60
  6. Step 6: Final answer
    x = 1,812.86

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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.