Home / 3,873.21-5,344.91-2,104.82

Finding the Fourth Proportional to 3,873.21, 5,344.91 and 2,104.82

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Solution

The fourth proportional to 3,873.21, 5,344.91 and 2,104.82 is: 2,904.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.21 : 5,344.91 = 2,104.82 : x
  2. Step 2: Convert to fraction form
    3,873.21/5,344.91 = 2,104.82/x
  3. Step 3: Cross multiply
    3,873.21x = 5,344.91 × 2,104.82
  4. Step 4: Simplify right side
    3,873.21x = 11,250,064.15
  5. Step 5: Solve for x
    x = 11,250,064.15/3,873.21
  6. Step 6: Final answer
    x = 2,904.59

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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.