Home / 3,968.19-5,476.09-2,175.67

Finding the Fourth Proportional to 3,968.19, 5,476.09 and 2,175.67

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Solution

The fourth proportional to 3,968.19, 5,476.09 and 2,175.67 is: 3,002.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.19 : 5,476.09 = 2,175.67 : x
  2. Step 2: Convert to fraction form
    3,968.19/5,476.09 = 2,175.67/x
  3. Step 3: Cross multiply
    3,968.19x = 5,476.09 × 2,175.67
  4. Step 4: Simplify right side
    3,968.19x = 11,914,164.73
  5. Step 5: Solve for x
    x = 11,914,164.73/3,968.19
  6. Step 6: Final answer
    x = 3,002.42

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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.