Home / 3,872.69-5,344.16-2,104.26

Finding the Fourth Proportional to 3,872.69, 5,344.16 and 2,104.26

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Solution

The fourth proportional to 3,872.69, 5,344.16 and 2,104.26 is: 2,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.69 : 5,344.16 = 2,104.26 : x
  2. Step 2: Convert to fraction form
    3,872.69/5,344.16 = 2,104.26/x
  3. Step 3: Cross multiply
    3,872.69x = 5,344.16 × 2,104.26
  4. Step 4: Simplify right side
    3,872.69x = 11,245,502.12
  5. Step 5: Solve for x
    x = 11,245,502.12/3,872.69
  6. Step 6: Final answer
    x = 2,903.80

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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.