Home / 3,629.04-5,008.89-2,213.20

Finding the Fourth Proportional to 3,629.04, 5,008.89 and 2,213.20

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Solution

The fourth proportional to 3,629.04, 5,008.89 and 2,213.20 is: 3,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.04 : 5,008.89 = 2,213.20 : x
  2. Step 2: Convert to fraction form
    3,629.04/5,008.89 = 2,213.20/x
  3. Step 3: Cross multiply
    3,629.04x = 5,008.89 × 2,213.20
  4. Step 4: Simplify right side
    3,629.04x = 11,085,675.35
  5. Step 5: Solve for x
    x = 11,085,675.35/3,629.04
  6. Step 6: Final answer
    x = 3,054.71

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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.