Home / 3,299.37-4,945.58-1,218.05

Finding the Fourth Proportional to 3,299.37, 4,945.58 and 1,218.05

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Solution

The fourth proportional to 3,299.37, 4,945.58 and 1,218.05 is: 1,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.37 : 4,945.58 = 1,218.05 : x
  2. Step 2: Convert to fraction form
    3,299.37/4,945.58 = 1,218.05/x
  3. Step 3: Cross multiply
    3,299.37x = 4,945.58 × 1,218.05
  4. Step 4: Simplify right side
    3,299.37x = 6,023,938.99
  5. Step 5: Solve for x
    x = 6,023,938.99/3,299.37
  6. Step 6: Final answer
    x = 1,825.79

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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.