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Finding the Fourth Proportional to 3,402.10, 5,099.10 and 1,757.80

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Solution

The fourth proportional to 3,402.10, 5,099.10 and 1,757.80 is: 2,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.10 : 5,099.10 = 1,757.80 : x
  2. Step 2: Convert to fraction form
    3,402.10/5,099.10 = 1,757.80/x
  3. Step 3: Cross multiply
    3,402.10x = 5,099.10 × 1,757.80
  4. Step 4: Simplify right side
    3,402.10x = 8,963,197.98
  5. Step 5: Solve for x
    x = 8,963,197.98/3,402.10
  6. Step 6: Final answer
    x = 2,634.61

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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.