Home / 3,103.21-4,282.41-1,705.96

Finding the Fourth Proportional to 3,103.21, 4,282.41 and 1,705.96

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Solution

The fourth proportional to 3,103.21, 4,282.41 and 1,705.96 is: 2,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.21 : 4,282.41 = 1,705.96 : x
  2. Step 2: Convert to fraction form
    3,103.21/4,282.41 = 1,705.96/x
  3. Step 3: Cross multiply
    3,103.21x = 4,282.41 × 1,705.96
  4. Step 4: Simplify right side
    3,103.21x = 7,305,620.16
  5. Step 5: Solve for x
    x = 7,305,620.16/3,103.21
  6. Step 6: Final answer
    x = 2,354.21

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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.