Home / 3,280.09-4,915.76-1,198.14

Finding the Fourth Proportional to 3,280.09, 4,915.76 and 1,198.14

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Solution

The fourth proportional to 3,280.09, 4,915.76 and 1,198.14 is: 1,795.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.09 : 4,915.76 = 1,198.14 : x
  2. Step 2: Convert to fraction form
    3,280.09/4,915.76 = 1,198.14/x
  3. Step 3: Cross multiply
    3,280.09x = 4,915.76 × 1,198.14
  4. Step 4: Simplify right side
    3,280.09x = 5,889,768.69
  5. Step 5: Solve for x
    x = 5,889,768.69/3,280.09
  6. Step 6: Final answer
    x = 1,795.61

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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.