Home / 3,410.60-5,105.10-2,676.20

Finding the Fourth Proportional to 3,410.60, 5,105.10 and 2,676.20

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Solution

The fourth proportional to 3,410.60, 5,105.10 and 2,676.20 is: 4,005.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.60 : 5,105.10 = 2,676.20 : x
  2. Step 2: Convert to fraction form
    3,410.60/5,105.10 = 2,676.20/x
  3. Step 3: Cross multiply
    3,410.60x = 5,105.10 × 2,676.20
  4. Step 4: Simplify right side
    3,410.60x = 13,662,268.62
  5. Step 5: Solve for x
    x = 13,662,268.62/3,410.60
  6. Step 6: Final answer
    x = 4,005.83

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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.