Home / 3,467.20-5,203.44-2,782.12

Finding the Fourth Proportional to 3,467.20, 5,203.44 and 2,782.12

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Solution

The fourth proportional to 3,467.20, 5,203.44 and 2,782.12 is: 4,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.20 : 5,203.44 = 2,782.12 : x
  2. Step 2: Convert to fraction form
    3,467.20/5,203.44 = 2,782.12/x
  3. Step 3: Cross multiply
    3,467.20x = 5,203.44 × 2,782.12
  4. Step 4: Simplify right side
    3,467.20x = 14,476,594.49
  5. Step 5: Solve for x
    x = 14,476,594.49/3,467.20
  6. Step 6: Final answer
    x = 4,175.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.