Home / 3,954.59-5,457.36-2,186.22

Finding the Fourth Proportional to 3,954.59, 5,457.36 and 2,186.22

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Solution

The fourth proportional to 3,954.59, 5,457.36 and 2,186.22 is: 3,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.59 : 5,457.36 = 2,186.22 : x
  2. Step 2: Convert to fraction form
    3,954.59/5,457.36 = 2,186.22/x
  3. Step 3: Cross multiply
    3,954.59x = 5,457.36 × 2,186.22
  4. Step 4: Simplify right side
    3,954.59x = 11,930,978.65
  5. Step 5: Solve for x
    x = 11,930,978.65/3,954.59
  6. Step 6: Final answer
    x = 3,017.00

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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.