Home / 2,825.45-3,899.04-1,705.97

Finding the Fourth Proportional to 2,825.45, 3,899.04 and 1,705.97

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Solution

The fourth proportional to 2,825.45, 3,899.04 and 1,705.97 is: 2,354.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.45 : 3,899.04 = 1,705.97 : x
  2. Step 2: Convert to fraction form
    2,825.45/3,899.04 = 1,705.97/x
  3. Step 3: Cross multiply
    2,825.45x = 3,899.04 × 1,705.97
  4. Step 4: Simplify right side
    2,825.45x = 6,651,648.62
  5. Step 5: Solve for x
    x = 6,651,648.62/2,825.45
  6. Step 6: Final answer
    x = 2,354.19

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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.