Home / 3,859.53-5,324.20-2,440.83

Finding the Fourth Proportional to 3,859.53, 5,324.20 and 2,440.83

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Solution

The fourth proportional to 3,859.53, 5,324.20 and 2,440.83 is: 3,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.53 : 5,324.20 = 2,440.83 : x
  2. Step 2: Convert to fraction form
    3,859.53/5,324.20 = 2,440.83/x
  3. Step 3: Cross multiply
    3,859.53x = 5,324.20 × 2,440.83
  4. Step 4: Simplify right side
    3,859.53x = 12,995,467.09
  5. Step 5: Solve for x
    x = 12,995,467.09/3,859.53
  6. Step 6: Final answer
    x = 3,367.11

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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.