Home / 3,630.34-5,446.36-1,131.41

Finding the Fourth Proportional to 3,630.34, 5,446.36 and 1,131.41

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Solution

The fourth proportional to 3,630.34, 5,446.36 and 1,131.41 is: 1,697.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.34 : 5,446.36 = 1,131.41 : x
  2. Step 2: Convert to fraction form
    3,630.34/5,446.36 = 1,131.41/x
  3. Step 3: Cross multiply
    3,630.34x = 5,446.36 × 1,131.41
  4. Step 4: Simplify right side
    3,630.34x = 6,162,046.09
  5. Step 5: Solve for x
    x = 6,162,046.09/3,630.34
  6. Step 6: Final answer
    x = 1,697.37

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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.