Home / 3,917.46-5,404.62-2,501.20

Finding the Fourth Proportional to 3,917.46, 5,404.62 and 2,501.20

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Solution

The fourth proportional to 3,917.46, 5,404.62 and 2,501.20 is: 3,450.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.46 : 5,404.62 = 2,501.20 : x
  2. Step 2: Convert to fraction form
    3,917.46/5,404.62 = 2,501.20/x
  3. Step 3: Cross multiply
    3,917.46x = 5,404.62 × 2,501.20
  4. Step 4: Simplify right side
    3,917.46x = 13,518,035.54
  5. Step 5: Solve for x
    x = 13,518,035.54/3,917.46
  6. Step 6: Final answer
    x = 3,450.71

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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.