Home / 2,668.06-3,682.36-1,549.72

Finding the Fourth Proportional to 2,668.06, 3,682.36 and 1,549.72

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Solution

The fourth proportional to 2,668.06, 3,682.36 and 1,549.72 is: 2,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.06 : 3,682.36 = 1,549.72 : x
  2. Step 2: Convert to fraction form
    2,668.06/3,682.36 = 1,549.72/x
  3. Step 3: Cross multiply
    2,668.06x = 3,682.36 × 1,549.72
  4. Step 4: Simplify right side
    2,668.06x = 5,706,626.94
  5. Step 5: Solve for x
    x = 5,706,626.94/2,668.06
  6. Step 6: Final answer
    x = 2,138.87

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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.