Home / 3,418.20-5,127.30-3,256.20

Finding the Fourth Proportional to 3,418.20, 5,127.30 and 3,256.20

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Solution

The fourth proportional to 3,418.20, 5,127.30 and 3,256.20 is: 4,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.20 : 5,127.30 = 3,256.20 : x
  2. Step 2: Convert to fraction form
    3,418.20/5,127.30 = 3,256.20/x
  3. Step 3: Cross multiply
    3,418.20x = 5,127.30 × 3,256.20
  4. Step 4: Simplify right side
    3,418.20x = 16,695,514.26
  5. Step 5: Solve for x
    x = 16,695,514.26/3,418.20
  6. Step 6: Final answer
    x = 4,884.30

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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.