Home / 3,453.45-5,177.05-1,260.64

Finding the Fourth Proportional to 3,453.45, 5,177.05 and 1,260.64

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Solution

The fourth proportional to 3,453.45, 5,177.05 and 1,260.64 is: 1,889.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.45 : 5,177.05 = 1,260.64 : x
  2. Step 2: Convert to fraction form
    3,453.45/5,177.05 = 1,260.64/x
  3. Step 3: Cross multiply
    3,453.45x = 5,177.05 × 1,260.64
  4. Step 4: Simplify right side
    3,453.45x = 6,526,396.31
  5. Step 5: Solve for x
    x = 6,526,396.31/3,453.45
  6. Step 6: Final answer
    x = 1,889.82

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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.