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Finding the Fourth Proportional to 3,937.26, 5,905.26 and 2,560.38

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Solution

The fourth proportional to 3,937.26, 5,905.26 and 2,560.38 is: 3,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.26 : 5,905.26 = 2,560.38 : x
  2. Step 2: Convert to fraction form
    3,937.26/5,905.26 = 2,560.38/x
  3. Step 3: Cross multiply
    3,937.26x = 5,905.26 × 2,560.38
  4. Step 4: Simplify right side
    3,937.26x = 15,119,709.60
  5. Step 5: Solve for x
    x = 15,119,709.60/3,937.26
  6. Step 6: Final answer
    x = 3,840.16

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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.