Home / 3,944.95-5,921.52-2,906.12

Finding the Fourth Proportional to 3,944.95, 5,921.52 and 2,906.12

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Solution

The fourth proportional to 3,944.95, 5,921.52 and 2,906.12 is: 4,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.95 : 5,921.52 = 2,906.12 : x
  2. Step 2: Convert to fraction form
    3,944.95/5,921.52 = 2,906.12/x
  3. Step 3: Cross multiply
    3,944.95x = 5,921.52 × 2,906.12
  4. Step 4: Simplify right side
    3,944.95x = 17,208,647.70
  5. Step 5: Solve for x
    x = 17,208,647.70/3,944.95
  6. Step 6: Final answer
    x = 4,362.20

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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.