Home / 3,410.20-5,108.01-2,107.72

Finding the Fourth Proportional to 3,410.20, 5,108.01 and 2,107.72

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Solution

The fourth proportional to 3,410.20, 5,108.01 and 2,107.72 is: 3,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.20 : 5,108.01 = 2,107.72 : x
  2. Step 2: Convert to fraction form
    3,410.20/5,108.01 = 2,107.72/x
  3. Step 3: Cross multiply
    3,410.20x = 5,108.01 × 2,107.72
  4. Step 4: Simplify right side
    3,410.20x = 10,766,254.84
  5. Step 5: Solve for x
    x = 10,766,254.84/3,410.20
  6. Step 6: Final answer
    x = 3,157.07

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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.