Home / 3,636.15-5,453.28-1,170.42

Finding the Fourth Proportional to 3,636.15, 5,453.28 and 1,170.42

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Solution

The fourth proportional to 3,636.15, 5,453.28 and 1,170.42 is: 1,755.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.15 : 5,453.28 = 1,170.42 : x
  2. Step 2: Convert to fraction form
    3,636.15/5,453.28 = 1,170.42/x
  3. Step 3: Cross multiply
    3,636.15x = 5,453.28 × 1,170.42
  4. Step 4: Simplify right side
    3,636.15x = 6,382,627.98
  5. Step 5: Solve for x
    x = 6,382,627.98/3,636.15
  6. Step 6: Final answer
    x = 1,755.33

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1.5x scale

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.