Home / 3,636.36-5,455.05-1,170.35

Finding the Fourth Proportional to 3,636.36, 5,455.05 and 1,170.35

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Solution

The fourth proportional to 3,636.36, 5,455.05 and 1,170.35 is: 1,755.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.36 : 5,455.05 = 1,170.35 : x
  2. Step 2: Convert to fraction form
    3,636.36/5,455.05 = 1,170.35/x
  3. Step 3: Cross multiply
    3,636.36x = 5,455.05 × 1,170.35
  4. Step 4: Simplify right side
    3,636.36x = 6,384,306.56
  5. Step 5: Solve for x
    x = 6,384,306.56/3,636.36
  6. Step 6: Final answer
    x = 1,755.69

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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.