Home / 3,629.56-5,008.72-2,036.20

Finding the Fourth Proportional to 3,629.56, 5,008.72 and 2,036.20

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Solution

The fourth proportional to 3,629.56, 5,008.72 and 2,036.20 is: 2,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.56 : 5,008.72 = 2,036.20 : x
  2. Step 2: Convert to fraction form
    3,629.56/5,008.72 = 2,036.20/x
  3. Step 3: Cross multiply
    3,629.56x = 5,008.72 × 2,036.20
  4. Step 4: Simplify right side
    3,629.56x = 10,198,755.66
  5. Step 5: Solve for x
    x = 10,198,755.66/3,629.56
  6. Step 6: Final answer
    x = 2,809.92

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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.