Home / 3,630.34-5,447.94-1,321.84

Finding the Fourth Proportional to 3,630.34, 5,447.94 and 1,321.84

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Solution

The fourth proportional to 3,630.34, 5,447.94 and 1,321.84 is: 1,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.34 : 5,447.94 = 1,321.84 : x
  2. Step 2: Convert to fraction form
    3,630.34/5,447.94 = 1,321.84/x
  3. Step 3: Cross multiply
    3,630.34x = 5,447.94 × 1,321.84
  4. Step 4: Simplify right side
    3,630.34x = 7,201,305.01
  5. Step 5: Solve for x
    x = 7,201,305.01/3,630.34
  6. Step 6: Final answer
    x = 1,983.64

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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.