Home / 3,540.42-5,321.43-3,457.26

Finding the Fourth Proportional to 3,540.42, 5,321.43 and 3,457.26

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Solution

The fourth proportional to 3,540.42, 5,321.43 and 3,457.26 is: 5,196.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.42 : 5,321.43 = 3,457.26 : x
  2. Step 2: Convert to fraction form
    3,540.42/5,321.43 = 3,457.26/x
  3. Step 3: Cross multiply
    3,540.42x = 5,321.43 × 3,457.26
  4. Step 4: Simplify right side
    3,540.42x = 18,397,567.08
  5. Step 5: Solve for x
    x = 18,397,567.08/3,540.42
  6. Step 6: Final answer
    x = 5,196.44

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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.