Home / 3,832.24-5,288.38-2,154.06

Finding the Fourth Proportional to 3,832.24, 5,288.38 and 2,154.06

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Solution

The fourth proportional to 3,832.24, 5,288.38 and 2,154.06 is: 2,972.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.24 : 5,288.38 = 2,154.06 : x
  2. Step 2: Convert to fraction form
    3,832.24/5,288.38 = 2,154.06/x
  3. Step 3: Cross multiply
    3,832.24x = 5,288.38 × 2,154.06
  4. Step 4: Simplify right side
    3,832.24x = 11,391,487.82
  5. Step 5: Solve for x
    x = 11,391,487.82/3,832.24
  6. Step 6: Final answer
    x = 2,972.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.