Home / 3,351.20-5,026.83-1,270.64

Finding the Fourth Proportional to 3,351.20, 5,026.83 and 1,270.64

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Solution

The fourth proportional to 3,351.20, 5,026.83 and 1,270.64 is: 1,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.20 : 5,026.83 = 1,270.64 : x
  2. Step 2: Convert to fraction form
    3,351.20/5,026.83 = 1,270.64/x
  3. Step 3: Cross multiply
    3,351.20x = 5,026.83 × 1,270.64
  4. Step 4: Simplify right side
    3,351.20x = 6,387,266.14
  5. Step 5: Solve for x
    x = 6,387,266.14/3,351.20
  6. Step 6: Final answer
    x = 1,905.97

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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.