Home / 3,455.94-5,180.82-1,263.14

Finding the Fourth Proportional to 3,455.94, 5,180.82 and 1,263.14

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Solution

The fourth proportional to 3,455.94, 5,180.82 and 1,263.14 is: 1,893.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.94 : 5,180.82 = 1,263.14 : x
  2. Step 2: Convert to fraction form
    3,455.94/5,180.82 = 1,263.14/x
  3. Step 3: Cross multiply
    3,455.94x = 5,180.82 × 1,263.14
  4. Step 4: Simplify right side
    3,455.94x = 6,544,100.97
  5. Step 5: Solve for x
    x = 6,544,100.97/3,455.94
  6. Step 6: Final answer
    x = 1,893.58

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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.