Home / 3,768.05-5,199.79-2,089.35

Finding the Fourth Proportional to 3,768.05, 5,199.79 and 2,089.35

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Solution

The fourth proportional to 3,768.05, 5,199.79 and 2,089.35 is: 2,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.05 : 5,199.79 = 2,089.35 : x
  2. Step 2: Convert to fraction form
    3,768.05/5,199.79 = 2,089.35/x
  3. Step 3: Cross multiply
    3,768.05x = 5,199.79 × 2,089.35
  4. Step 4: Simplify right side
    3,768.05x = 10,864,205.18
  5. Step 5: Solve for x
    x = 10,864,205.18/3,768.05
  6. Step 6: Final answer
    x = 2,883.25

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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.