Home / 3,668.43-5,055.44-2,618.67

Finding the Fourth Proportional to 3,668.43, 5,055.44 and 2,618.67

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Solution

The fourth proportional to 3,668.43, 5,055.44 and 2,618.67 is: 3,608.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.43 : 5,055.44 = 2,618.67 : x
  2. Step 2: Convert to fraction form
    3,668.43/5,055.44 = 2,618.67/x
  3. Step 3: Cross multiply
    3,668.43x = 5,055.44 × 2,618.67
  4. Step 4: Simplify right side
    3,668.43x = 13,238,515.97
  5. Step 5: Solve for x
    x = 13,238,515.97/3,668.43
  6. Step 6: Final answer
    x = 3,608.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.