Home / 3,893.36-5,369.90-2,400.73

Finding the Fourth Proportional to 3,893.36, 5,369.90 and 2,400.73

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Solution

The fourth proportional to 3,893.36, 5,369.90 and 2,400.73 is: 3,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.36 : 5,369.90 = 2,400.73 : x
  2. Step 2: Convert to fraction form
    3,893.36/5,369.90 = 2,400.73/x
  3. Step 3: Cross multiply
    3,893.36x = 5,369.90 × 2,400.73
  4. Step 4: Simplify right side
    3,893.36x = 12,891,654.60
  5. Step 5: Solve for x
    x = 12,891,654.60/3,893.36
  6. Step 6: Final answer
    x = 3,311.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.