Home / 3,678.33-5,515.76-1,336.69

Finding the Fourth Proportional to 3,678.33, 5,515.76 and 1,336.69

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Solution

The fourth proportional to 3,678.33, 5,515.76 and 1,336.69 is: 2,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.33 : 5,515.76 = 1,336.69 : x
  2. Step 2: Convert to fraction form
    3,678.33/5,515.76 = 1,336.69/x
  3. Step 3: Cross multiply
    3,678.33x = 5,515.76 × 1,336.69
  4. Step 4: Simplify right side
    3,678.33x = 7,372,850.79
  5. Step 5: Solve for x
    x = 7,372,850.79/3,678.33
  6. Step 6: Final answer
    x = 2,004.40

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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.