Home / 3,620.43-5,433.08-2,322.81

Finding the Fourth Proportional to 3,620.43, 5,433.08 and 2,322.81

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Solution

The fourth proportional to 3,620.43, 5,433.08 and 2,322.81 is: 3,485.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.43 : 5,433.08 = 2,322.81 : x
  2. Step 2: Convert to fraction form
    3,620.43/5,433.08 = 2,322.81/x
  3. Step 3: Cross multiply
    3,620.43x = 5,433.08 × 2,322.81
  4. Step 4: Simplify right side
    3,620.43x = 12,620,000.94
  5. Step 5: Solve for x
    x = 12,620,000.94/3,620.43
  6. Step 6: Final answer
    x = 3,485.77

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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.