Home / 3,289.11-4,933.12-1,208.60

Finding the Fourth Proportional to 3,289.11, 4,933.12 and 1,208.60

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Solution

The fourth proportional to 3,289.11, 4,933.12 and 1,208.60 is: 1,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.11 : 4,933.12 = 1,208.60 : x
  2. Step 2: Convert to fraction form
    3,289.11/4,933.12 = 1,208.60/x
  3. Step 3: Cross multiply
    3,289.11x = 4,933.12 × 1,208.60
  4. Step 4: Simplify right side
    3,289.11x = 5,962,144.17
  5. Step 5: Solve for x
    x = 5,962,144.17/3,289.11
  6. Step 6: Final answer
    x = 1,812.69

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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.