Home / 3,188.23-4,777.47-2,144.37

Finding the Fourth Proportional to 3,188.23, 4,777.47 and 2,144.37

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Solution

The fourth proportional to 3,188.23, 4,777.47 and 2,144.37 is: 3,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.23 : 4,777.47 = 2,144.37 : x
  2. Step 2: Convert to fraction form
    3,188.23/4,777.47 = 2,144.37/x
  3. Step 3: Cross multiply
    3,188.23x = 4,777.47 × 2,144.37
  4. Step 4: Simplify right side
    3,188.23x = 10,244,671.39
  5. Step 5: Solve for x
    x = 10,244,671.39/3,188.23
  6. Step 6: Final answer
    x = 3,213.28

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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.