Home / 3,917.36-5,404.46-2,501.11

Finding the Fourth Proportional to 3,917.36, 5,404.46 and 2,501.11

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Solution

The fourth proportional to 3,917.36, 5,404.46 and 2,501.11 is: 3,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.36 : 5,404.46 = 2,501.11 : x
  2. Step 2: Convert to fraction form
    3,917.36/5,404.46 = 2,501.11/x
  3. Step 3: Cross multiply
    3,917.36x = 5,404.46 × 2,501.11
  4. Step 4: Simplify right side
    3,917.36x = 13,517,143.20
  5. Step 5: Solve for x
    x = 13,517,143.20/3,917.36
  6. Step 6: Final answer
    x = 3,450.57

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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.