Home / 2,057.12-3,083.88-825.56

Finding the Fourth Proportional to 2,057.12, 3,083.88 and 825.56

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Solution

The fourth proportional to 2,057.12, 3,083.88 and 825.56 is: 1,237.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.12 : 3,083.88 = 825.56 : x
  2. Step 2: Convert to fraction form
    2,057.12/3,083.88 = 825.56/x
  3. Step 3: Cross multiply
    2,057.12x = 3,083.88 × 825.56
  4. Step 4: Simplify right side
    2,057.12x = 2,545,927.97
  5. Step 5: Solve for x
    x = 2,545,927.97/2,057.12
  6. Step 6: Final answer
    x = 1,237.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.