Home / 3,367.42-5,049.88-1,418.56

Finding the Fourth Proportional to 3,367.42, 5,049.88 and 1,418.56

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Solution

The fourth proportional to 3,367.42, 5,049.88 and 1,418.56 is: 2,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.42 : 5,049.88 = 1,418.56 : x
  2. Step 2: Convert to fraction form
    3,367.42/5,049.88 = 1,418.56/x
  3. Step 3: Cross multiply
    3,367.42x = 5,049.88 × 1,418.56
  4. Step 4: Simplify right side
    3,367.42x = 7,163,541.60
  5. Step 5: Solve for x
    x = 7,163,541.60/3,367.42
  6. Step 6: Final answer
    x = 2,127.31

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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.