Home / 3,893.62-5,374.74-2,402.96

Finding the Fourth Proportional to 3,893.62, 5,374.74 and 2,402.96

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Solution

The fourth proportional to 3,893.62, 5,374.74 and 2,402.96 is: 3,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.62 : 5,374.74 = 2,402.96 : x
  2. Step 2: Convert to fraction form
    3,893.62/5,374.74 = 2,402.96/x
  3. Step 3: Cross multiply
    3,893.62x = 5,374.74 × 2,402.96
  4. Step 4: Simplify right side
    3,893.62x = 12,915,285.23
  5. Step 5: Solve for x
    x = 12,915,285.23/3,893.62
  6. Step 6: Final answer
    x = 3,317.04

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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.