Home / 3,954.36-5,457.06-2,186.04

Finding the Fourth Proportional to 3,954.36, 5,457.06 and 2,186.04

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Solution

The fourth proportional to 3,954.36, 5,457.06 and 2,186.04 is: 3,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.36 : 5,457.06 = 2,186.04 : x
  2. Step 2: Convert to fraction form
    3,954.36/5,457.06 = 2,186.04/x
  3. Step 3: Cross multiply
    3,954.36x = 5,457.06 × 2,186.04
  4. Step 4: Simplify right side
    3,954.36x = 11,929,351.44
  5. Step 5: Solve for x
    x = 11,929,351.44/3,954.36
  6. Step 6: Final answer
    x = 3,016.76

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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.