Home / 3,902.12-5,857.24-2,612.60

Finding the Fourth Proportional to 3,902.12, 5,857.24 and 2,612.60

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Solution

The fourth proportional to 3,902.12, 5,857.24 and 2,612.60 is: 3,921.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.12 : 5,857.24 = 2,612.60 : x
  2. Step 2: Convert to fraction form
    3,902.12/5,857.24 = 2,612.60/x
  3. Step 3: Cross multiply
    3,902.12x = 5,857.24 × 2,612.60
  4. Step 4: Simplify right side
    3,902.12x = 15,302,625.22
  5. Step 5: Solve for x
    x = 15,302,625.22/3,902.12
  6. Step 6: Final answer
    x = 3,921.62

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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.