Home / 3,455.94-5,175.66-1,893.60

Finding the Fourth Proportional to 3,455.94, 5,175.66 and 1,893.60

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Solution

The fourth proportional to 3,455.94, 5,175.66 and 1,893.60 is: 2,835.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.94 : 5,175.66 = 1,893.60 : x
  2. Step 2: Convert to fraction form
    3,455.94/5,175.66 = 1,893.60/x
  3. Step 3: Cross multiply
    3,455.94x = 5,175.66 × 1,893.60
  4. Step 4: Simplify right side
    3,455.94x = 9,800,629.78
  5. Step 5: Solve for x
    x = 9,800,629.78/3,455.94
  6. Step 6: Final answer
    x = 2,835.88

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1.5x scale

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.