Home / 3,954.51-5,457.05-2,186.08

Finding the Fourth Proportional to 3,954.51, 5,457.05 and 2,186.08

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Solution

The fourth proportional to 3,954.51, 5,457.05 and 2,186.08 is: 3,016.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.51 : 5,457.05 = 2,186.08 : x
  2. Step 2: Convert to fraction form
    3,954.51/5,457.05 = 2,186.08/x
  3. Step 3: Cross multiply
    3,954.51x = 5,457.05 × 2,186.08
  4. Step 4: Simplify right side
    3,954.51x = 11,929,531.49
  5. Step 5: Solve for x
    x = 11,929,531.49/3,954.51
  6. Step 6: Final answer
    x = 3,016.69

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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.