Home / 3,608.24-5,408.64-1,964.34

Finding the Fourth Proportional to 3,608.24, 5,408.64 and 1,964.34

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Solution

The fourth proportional to 3,608.24, 5,408.64 and 1,964.34 is: 2,944.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.24 : 5,408.64 = 1,964.34 : x
  2. Step 2: Convert to fraction form
    3,608.24/5,408.64 = 1,964.34/x
  3. Step 3: Cross multiply
    3,608.24x = 5,408.64 × 1,964.34
  4. Step 4: Simplify right side
    3,608.24x = 10,624,407.90
  5. Step 5: Solve for x
    x = 10,624,407.90/3,608.24
  6. Step 6: Final answer
    x = 2,944.49

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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.