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Finding the Fourth Proportional to 3,797.57, 5,697.11 and 1,331.72

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Solution

The fourth proportional to 3,797.57, 5,697.11 and 1,331.72 is: 1,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,797.57 : 5,697.11 = 1,331.72 : x
  2. Step 2: Convert to fraction form
    3,797.57/5,697.11 = 1,331.72/x
  3. Step 3: Cross multiply
    3,797.57x = 5,697.11 × 1,331.72
  4. Step 4: Simplify right side
    3,797.57x = 7,586,920.19
  5. Step 5: Solve for x
    x = 7,586,920.19/3,797.57
  6. Step 6: Final answer
    x = 1,997.84

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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.