Home / 3,433.44-5,150.80-1,381.60

Finding the Fourth Proportional to 3,433.44, 5,150.80 and 1,381.60

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Solution

The fourth proportional to 3,433.44, 5,150.80 and 1,381.60 is: 2,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.44 : 5,150.80 = 1,381.60 : x
  2. Step 2: Convert to fraction form
    3,433.44/5,150.80 = 1,381.60/x
  3. Step 3: Cross multiply
    3,433.44x = 5,150.80 × 1,381.60
  4. Step 4: Simplify right side
    3,433.44x = 7,116,345.28
  5. Step 5: Solve for x
    x = 7,116,345.28/3,433.44
  6. Step 6: Final answer
    x = 2,072.66

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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.