Home / 3,768.80-5,202.91-2,927.61

Finding the Fourth Proportional to 3,768.80, 5,202.91 and 2,927.61

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Solution

The fourth proportional to 3,768.80, 5,202.91 and 2,927.61 is: 4,041.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.80 : 5,202.91 = 2,927.61 : x
  2. Step 2: Convert to fraction form
    3,768.80/5,202.91 = 2,927.61/x
  3. Step 3: Cross multiply
    3,768.80x = 5,202.91 × 2,927.61
  4. Step 4: Simplify right side
    3,768.80x = 15,232,091.35
  5. Step 5: Solve for x
    x = 15,232,091.35/3,768.80
  6. Step 6: Final answer
    x = 4,041.63

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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.