Home / 3,629.80-5,008.72-2,057.56

Finding the Fourth Proportional to 3,629.80, 5,008.72 and 2,057.56

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Solution

The fourth proportional to 3,629.80, 5,008.72 and 2,057.56 is: 2,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.80 : 5,008.72 = 2,057.56 : x
  2. Step 2: Convert to fraction form
    3,629.80/5,008.72 = 2,057.56/x
  3. Step 3: Cross multiply
    3,629.80x = 5,008.72 × 2,057.56
  4. Step 4: Simplify right side
    3,629.80x = 10,305,741.92
  5. Step 5: Solve for x
    x = 10,305,741.92/3,629.80
  6. Step 6: Final answer
    x = 2,839.20

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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.