Home / 3,682.41-5,080.04-2,189.48

Finding the Fourth Proportional to 3,682.41, 5,080.04 and 2,189.48

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Solution

The fourth proportional to 3,682.41, 5,080.04 and 2,189.48 is: 3,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.41 : 5,080.04 = 2,189.48 : x
  2. Step 2: Convert to fraction form
    3,682.41/5,080.04 = 2,189.48/x
  3. Step 3: Cross multiply
    3,682.41x = 5,080.04 × 2,189.48
  4. Step 4: Simplify right side
    3,682.41x = 11,122,617.84
  5. Step 5: Solve for x
    x = 11,122,617.84/3,682.41
  6. Step 6: Final answer
    x = 3,020.48

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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.