Home / 3,872.99-5,344.51-2,104.58

Finding the Fourth Proportional to 3,872.99, 5,344.51 and 2,104.58

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Solution

The fourth proportional to 3,872.99, 5,344.51 and 2,104.58 is: 2,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.99 : 5,344.51 = 2,104.58 : x
  2. Step 2: Convert to fraction form
    3,872.99/5,344.51 = 2,104.58/x
  3. Step 3: Cross multiply
    3,872.99x = 5,344.51 × 2,104.58
  4. Step 4: Simplify right side
    3,872.99x = 11,247,954.98
  5. Step 5: Solve for x
    x = 11,247,954.98/3,872.99
  6. Step 6: Final answer
    x = 2,904.20

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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.