Home / 3,893.83-5,373.43-2,380.89

Finding the Fourth Proportional to 3,893.83, 5,373.43 and 2,380.89

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Solution

The fourth proportional to 3,893.83, 5,373.43 and 2,380.89 is: 3,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.83 : 5,373.43 = 2,380.89 : x
  2. Step 2: Convert to fraction form
    3,893.83/5,373.43 = 2,380.89/x
  3. Step 3: Cross multiply
    3,893.83x = 5,373.43 × 2,380.89
  4. Step 4: Simplify right side
    3,893.83x = 12,793,545.75
  5. Step 5: Solve for x
    x = 12,793,545.75/3,893.83
  6. Step 6: Final answer
    x = 3,285.59

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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.