Home / 4,189.37-5,781.12-2,487.97

Finding the Fourth Proportional to 4,189.37, 5,781.12 and 2,487.97

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Solution

The fourth proportional to 4,189.37, 5,781.12 and 2,487.97 is: 3,433.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.37 : 5,781.12 = 2,487.97 : x
  2. Step 2: Convert to fraction form
    4,189.37/5,781.12 = 2,487.97/x
  3. Step 3: Cross multiply
    4,189.37x = 5,781.12 × 2,487.97
  4. Step 4: Simplify right side
    4,189.37x = 14,383,232.50
  5. Step 5: Solve for x
    x = 14,383,232.50/4,189.37
  6. Step 6: Final answer
    x = 3,433.27

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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.