Home / 2,825.23-3,898.55-1,629.94

Finding the Fourth Proportional to 2,825.23, 3,898.55 and 1,629.94

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Solution

The fourth proportional to 2,825.23, 3,898.55 and 1,629.94 is: 2,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.23 : 3,898.55 = 1,629.94 : x
  2. Step 2: Convert to fraction form
    2,825.23/3,898.55 = 1,629.94/x
  3. Step 3: Cross multiply
    2,825.23x = 3,898.55 × 1,629.94
  4. Step 4: Simplify right side
    2,825.23x = 6,354,401.26
  5. Step 5: Solve for x
    x = 6,354,401.26/2,825.23
  6. Step 6: Final answer
    x = 2,249.17

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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.