Home / 3,954.89-5,457.73-2,186.48

Finding the Fourth Proportional to 3,954.89, 5,457.73 and 2,186.48

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Solution

The fourth proportional to 3,954.89, 5,457.73 and 2,186.48 is: 3,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.89 : 5,457.73 = 2,186.48 : x
  2. Step 2: Convert to fraction form
    3,954.89/5,457.73 = 2,186.48/x
  3. Step 3: Cross multiply
    3,954.89x = 5,457.73 × 2,186.48
  4. Step 4: Simplify right side
    3,954.89x = 11,933,225.67
  5. Step 5: Solve for x
    x = 11,933,225.67/3,954.89
  6. Step 6: Final answer
    x = 3,017.33

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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.