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Finding the Fourth Proportional to 2,906.37, 4,011.37 and 1,647.45

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Solution

The fourth proportional to 2,906.37, 4,011.37 and 1,647.45 is: 2,273.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.37 : 4,011.37 = 1,647.45 : x
  2. Step 2: Convert to fraction form
    2,906.37/4,011.37 = 1,647.45/x
  3. Step 3: Cross multiply
    2,906.37x = 4,011.37 × 1,647.45
  4. Step 4: Simplify right side
    2,906.37x = 6,608,527.39
  5. Step 5: Solve for x
    x = 6,608,527.39/2,906.37
  6. Step 6: Final answer
    x = 2,273.81

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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.