Home / 3,558.42-5,338.46-1,218.44

Finding the Fourth Proportional to 3,558.42, 5,338.46 and 1,218.44

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Solution

The fourth proportional to 3,558.42, 5,338.46 and 1,218.44 is: 1,827.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.42 : 5,338.46 = 1,218.44 : x
  2. Step 2: Convert to fraction form
    3,558.42/5,338.46 = 1,218.44/x
  3. Step 3: Cross multiply
    3,558.42x = 5,338.46 × 1,218.44
  4. Step 4: Simplify right side
    3,558.42x = 6,504,609.59
  5. Step 5: Solve for x
    x = 6,504,609.59/3,558.42
  6. Step 6: Final answer
    x = 1,827.95

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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.