Home / 3,453.32-5,181.52-1,261.54

Finding the Fourth Proportional to 3,453.32, 5,181.52 and 1,261.54

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Solution

The fourth proportional to 3,453.32, 5,181.52 and 1,261.54 is: 1,892.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.32 : 5,181.52 = 1,261.54 : x
  2. Step 2: Convert to fraction form
    3,453.32/5,181.52 = 1,261.54/x
  3. Step 3: Cross multiply
    3,453.32x = 5,181.52 × 1,261.54
  4. Step 4: Simplify right side
    3,453.32x = 6,536,694.74
  5. Step 5: Solve for x
    x = 6,536,694.74/3,453.32
  6. Step 6: Final answer
    x = 1,892.87

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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.