Home / 3,893.34-5,372.82-2,321.40

Finding the Fourth Proportional to 3,893.34, 5,372.82 and 2,321.40

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Solution

The fourth proportional to 3,893.34, 5,372.82 and 2,321.40 is: 3,203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.34 : 5,372.82 = 2,321.40 : x
  2. Step 2: Convert to fraction form
    3,893.34/5,372.82 = 2,321.40/x
  3. Step 3: Cross multiply
    3,893.34x = 5,372.82 × 2,321.40
  4. Step 4: Simplify right side
    3,893.34x = 12,472,464.35
  5. Step 5: Solve for x
    x = 12,472,464.35/3,893.34
  6. Step 6: Final answer
    x = 3,203.54

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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.