Home / 3,464.24-5,197.20-1,272.80

Finding the Fourth Proportional to 3,464.24, 5,197.20 and 1,272.80

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Solution

The fourth proportional to 3,464.24, 5,197.20 and 1,272.80 is: 1,909.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.24 : 5,197.20 = 1,272.80 : x
  2. Step 2: Convert to fraction form
    3,464.24/5,197.20 = 1,272.80/x
  3. Step 3: Cross multiply
    3,464.24x = 5,197.20 × 1,272.80
  4. Step 4: Simplify right side
    3,464.24x = 6,614,996.16
  5. Step 5: Solve for x
    x = 6,614,996.16/3,464.24
  6. Step 6: Final answer
    x = 1,909.51

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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.