Home / 3,404.82-4,698.91-1,912.87

Finding the Fourth Proportional to 3,404.82, 4,698.91 and 1,912.87

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Solution

The fourth proportional to 3,404.82, 4,698.91 and 1,912.87 is: 2,639.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.82 : 4,698.91 = 1,912.87 : x
  2. Step 2: Convert to fraction form
    3,404.82/4,698.91 = 1,912.87/x
  3. Step 3: Cross multiply
    3,404.82x = 4,698.91 × 1,912.87
  4. Step 4: Simplify right side
    3,404.82x = 8,988,403.97
  5. Step 5: Solve for x
    x = 8,988,403.97/3,404.82
  6. Step 6: Final answer
    x = 2,639.91

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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.