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Finding the Fourth Proportional to 3,363.70, 5,049.60 and 3,339.40

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Solution

The fourth proportional to 3,363.70, 5,049.60 and 3,339.40 is: 5,013.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.70 : 5,049.60 = 3,339.40 : x
  2. Step 2: Convert to fraction form
    3,363.70/5,049.60 = 3,339.40/x
  3. Step 3: Cross multiply
    3,363.70x = 5,049.60 × 3,339.40
  4. Step 4: Simplify right side
    3,363.70x = 16,862,634.24
  5. Step 5: Solve for x
    x = 16,862,634.24/3,363.70
  6. Step 6: Final answer
    x = 5,013.12

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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.