Home / 3,665.44-5,057.99-2,173.12

Finding the Fourth Proportional to 3,665.44, 5,057.99 and 2,173.12

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Solution

The fourth proportional to 3,665.44, 5,057.99 and 2,173.12 is: 2,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.44 : 5,057.99 = 2,173.12 : x
  2. Step 2: Convert to fraction form
    3,665.44/5,057.99 = 2,173.12/x
  3. Step 3: Cross multiply
    3,665.44x = 5,057.99 × 2,173.12
  4. Step 4: Simplify right side
    3,665.44x = 10,991,619.23
  5. Step 5: Solve for x
    x = 10,991,619.23/3,665.44
  6. Step 6: Final answer
    x = 2,998.72

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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.