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Finding the Fourth Proportional to 3,247.40, 4,540.60 and 3,247.40

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Solution

The fourth proportional to 3,247.40, 4,540.60 and 3,247.40 is: 4,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.40 : 4,540.60 = 3,247.40 : x
  2. Step 2: Convert to fraction form
    3,247.40/4,540.60 = 3,247.40/x
  3. Step 3: Cross multiply
    3,247.40x = 4,540.60 × 3,247.40
  4. Step 4: Simplify right side
    3,247.40x = 14,745,144.44
  5. Step 5: Solve for x
    x = 14,745,144.44/3,247.40
  6. Step 6: Final answer
    x = 4,540.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.