Home / 3,289.75-4,934.32-1,647.41

Finding the Fourth Proportional to 3,289.75, 4,934.32 and 1,647.41

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Solution

The fourth proportional to 3,289.75, 4,934.32 and 1,647.41 is: 2,470.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.75 : 4,934.32 = 1,647.41 : x
  2. Step 2: Convert to fraction form
    3,289.75/4,934.32 = 1,647.41/x
  3. Step 3: Cross multiply
    3,289.75x = 4,934.32 × 1,647.41
  4. Step 4: Simplify right side
    3,289.75x = 8,128,819.32
  5. Step 5: Solve for x
    x = 8,128,819.32/3,289.75
  6. Step 6: Final answer
    x = 2,470.96

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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.