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Finding the Fourth Proportional to 3,997.15, 5,996.97 and 1,364.72

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Solution

The fourth proportional to 3,997.15, 5,996.97 and 1,364.72 is: 2,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.15 : 5,996.97 = 1,364.72 : x
  2. Step 2: Convert to fraction form
    3,997.15/5,996.97 = 1,364.72/x
  3. Step 3: Cross multiply
    3,997.15x = 5,996.97 × 1,364.72
  4. Step 4: Simplify right side
    3,997.15x = 8,184,154.91
  5. Step 5: Solve for x
    x = 8,184,154.91/3,997.15
  6. Step 6: Final answer
    x = 2,047.50

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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.