Home / 3,179.74-4,768.44-1,099.21

Finding the Fourth Proportional to 3,179.74, 4,768.44 and 1,099.21

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Solution

The fourth proportional to 3,179.74, 4,768.44 and 1,099.21 is: 1,648.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.74 : 4,768.44 = 1,099.21 : x
  2. Step 2: Convert to fraction form
    3,179.74/4,768.44 = 1,099.21/x
  3. Step 3: Cross multiply
    3,179.74x = 4,768.44 × 1,099.21
  4. Step 4: Simplify right side
    3,179.74x = 5,241,516.93
  5. Step 5: Solve for x
    x = 5,241,516.93/3,179.74
  6. Step 6: Final answer
    x = 1,648.41

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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.