Home / 3,636.34-5,453.80-1,170.56

Finding the Fourth Proportional to 3,636.34, 5,453.80 and 1,170.56

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Solution

The fourth proportional to 3,636.34, 5,453.80 and 1,170.56 is: 1,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.34 : 5,453.80 = 1,170.56 : x
  2. Step 2: Convert to fraction form
    3,636.34/5,453.80 = 1,170.56/x
  3. Step 3: Cross multiply
    3,636.34x = 5,453.80 × 1,170.56
  4. Step 4: Simplify right side
    3,636.34x = 6,384,000.13
  5. Step 5: Solve for x
    x = 6,384,000.13/3,636.34
  6. Step 6: Final answer
    x = 1,755.61

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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.