Home / 2,000.28-3,000.44-1,997.40

Finding the Fourth Proportional to 2,000.28, 3,000.44 and 1,997.40

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Solution

The fourth proportional to 2,000.28, 3,000.44 and 1,997.40 is: 2,996.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.28 : 3,000.44 = 1,997.40 : x
  2. Step 2: Convert to fraction form
    2,000.28/3,000.44 = 1,997.40/x
  3. Step 3: Cross multiply
    2,000.28x = 3,000.44 × 1,997.40
  4. Step 4: Simplify right side
    2,000.28x = 5,993,078.86
  5. Step 5: Solve for x
    x = 5,993,078.86/2,000.28
  6. Step 6: Final answer
    x = 2,996.12

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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.