Home / 4,171.90-5,754.72-2,755.60

Finding the Fourth Proportional to 4,171.90, 5,754.72 and 2,755.60

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Solution

The fourth proportional to 4,171.90, 5,754.72 and 2,755.60 is: 3,801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.90 : 5,754.72 = 2,755.60 : x
  2. Step 2: Convert to fraction form
    4,171.90/5,754.72 = 2,755.60/x
  3. Step 3: Cross multiply
    4,171.90x = 5,754.72 × 2,755.60
  4. Step 4: Simplify right side
    4,171.90x = 15,857,706.43
  5. Step 5: Solve for x
    x = 15,857,706.43/4,171.90
  6. Step 6: Final answer
    x = 3,801.08

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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.