Home / 2,074.05-3,126.60-1,936.55

Finding the Fourth Proportional to 2,074.05, 3,126.60 and 1,936.55

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Solution

The fourth proportional to 2,074.05, 3,126.60 and 1,936.55 is: 2,919.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.05 : 3,126.60 = 1,936.55 : x
  2. Step 2: Convert to fraction form
    2,074.05/3,126.60 = 1,936.55/x
  3. Step 3: Cross multiply
    2,074.05x = 3,126.60 × 1,936.55
  4. Step 4: Simplify right side
    2,074.05x = 6,054,825.05
  5. Step 5: Solve for x
    x = 6,054,825.05/2,074.05
  6. Step 6: Final answer
    x = 2,919.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.