Home / 3,954.52-5,457.21-2,186.11

Finding the Fourth Proportional to 3,954.52, 5,457.21 and 2,186.11

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Solution

The fourth proportional to 3,954.52, 5,457.21 and 2,186.11 is: 3,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.52 : 5,457.21 = 2,186.11 : x
  2. Step 2: Convert to fraction form
    3,954.52/5,457.21 = 2,186.11/x
  3. Step 3: Cross multiply
    3,954.52x = 5,457.21 × 2,186.11
  4. Step 4: Simplify right side
    3,954.52x = 11,930,068.17
  5. Step 5: Solve for x
    x = 11,930,068.17/3,954.52
  6. Step 6: Final answer
    x = 3,016.82

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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.