Home / 3,910.12-5,395.62-2,735.08

Finding the Fourth Proportional to 3,910.12, 5,395.62 and 2,735.08

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Solution

The fourth proportional to 3,910.12, 5,395.62 and 2,735.08 is: 3,774.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.12 : 5,395.62 = 2,735.08 : x
  2. Step 2: Convert to fraction form
    3,910.12/5,395.62 = 2,735.08/x
  3. Step 3: Cross multiply
    3,910.12x = 5,395.62 × 2,735.08
  4. Step 4: Simplify right side
    3,910.12x = 14,757,452.35
  5. Step 5: Solve for x
    x = 14,757,452.35/3,910.12
  6. Step 6: Final answer
    x = 3,774.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.