Home / 3,467.05-4,783.19-2,138.45

Finding the Fourth Proportional to 3,467.05, 4,783.19 and 2,138.45

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Solution

The fourth proportional to 3,467.05, 4,783.19 and 2,138.45 is: 2,950.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.05 : 4,783.19 = 2,138.45 : x
  2. Step 2: Convert to fraction form
    3,467.05/4,783.19 = 2,138.45/x
  3. Step 3: Cross multiply
    3,467.05x = 4,783.19 × 2,138.45
  4. Step 4: Simplify right side
    3,467.05x = 10,228,578.05
  5. Step 5: Solve for x
    x = 10,228,578.05/3,467.05
  6. Step 6: Final answer
    x = 2,950.23

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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.