Home / 2,665.28-3,997.91-1,433.27

Finding the Fourth Proportional to 2,665.28, 3,997.91 and 1,433.27

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Solution

The fourth proportional to 2,665.28, 3,997.91 and 1,433.27 is: 2,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665.28 : 3,997.91 = 1,433.27 : x
  2. Step 2: Convert to fraction form
    2,665.28/3,997.91 = 1,433.27/x
  3. Step 3: Cross multiply
    2,665.28x = 3,997.91 × 1,433.27
  4. Step 4: Simplify right side
    2,665.28x = 5,730,068.06
  5. Step 5: Solve for x
    x = 5,730,068.06/2,665.28
  6. Step 6: Final answer
    x = 2,149.90

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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.