Home / 3,653.98-5,042.48-2,082.09

Finding the Fourth Proportional to 3,653.98, 5,042.48 and 2,082.09

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Solution

The fourth proportional to 3,653.98, 5,042.48 and 2,082.09 is: 2,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.98 : 5,042.48 = 2,082.09 : x
  2. Step 2: Convert to fraction form
    3,653.98/5,042.48 = 2,082.09/x
  3. Step 3: Cross multiply
    3,653.98x = 5,042.48 × 2,082.09
  4. Step 4: Simplify right side
    3,653.98x = 10,498,871.97
  5. Step 5: Solve for x
    x = 10,498,871.97/3,653.98
  6. Step 6: Final answer
    x = 2,873.27

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1.5x scale

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.