Home / 3,805.10-5,694.68-3,189.50

Finding the Fourth Proportional to 3,805.10, 5,694.68 and 3,189.50

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Solution

The fourth proportional to 3,805.10, 5,694.68 and 3,189.50 is: 4,773.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.10 : 5,694.68 = 3,189.50 : x
  2. Step 2: Convert to fraction form
    3,805.10/5,694.68 = 3,189.50/x
  3. Step 3: Cross multiply
    3,805.10x = 5,694.68 × 3,189.50
  4. Step 4: Simplify right side
    3,805.10x = 18,163,181.86
  5. Step 5: Solve for x
    x = 18,163,181.86/3,805.10
  6. Step 6: Final answer
    x = 4,773.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.