Home / 4,173.78-5,759.94-2,310.78

Finding the Fourth Proportional to 4,173.78, 5,759.94 and 2,310.78

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Solution

The fourth proportional to 4,173.78, 5,759.94 and 2,310.78 is: 3,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,173.78 : 5,759.94 = 2,310.78 : x
  2. Step 2: Convert to fraction form
    4,173.78/5,759.94 = 2,310.78/x
  3. Step 3: Cross multiply
    4,173.78x = 5,759.94 × 2,310.78
  4. Step 4: Simplify right side
    4,173.78x = 13,309,954.15
  5. Step 5: Solve for x
    x = 13,309,954.15/4,173.78
  6. Step 6: Final answer
    x = 3,188.94

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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.