Home / 3,627.74-5,441.94-1,128.96

Finding the Fourth Proportional to 3,627.74, 5,441.94 and 1,128.96

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Solution

The fourth proportional to 3,627.74, 5,441.94 and 1,128.96 is: 1,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.74 : 5,441.94 = 1,128.96 : x
  2. Step 2: Convert to fraction form
    3,627.74/5,441.94 = 1,128.96/x
  3. Step 3: Cross multiply
    3,627.74x = 5,441.94 × 1,128.96
  4. Step 4: Simplify right side
    3,627.74x = 6,143,732.58
  5. Step 5: Solve for x
    x = 6,143,732.58/3,627.74
  6. Step 6: Final answer
    x = 1,693.54

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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.