Home / 3,270.43-4,878.03-2,777.95

Finding the Fourth Proportional to 3,270.43, 4,878.03 and 2,777.95

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Solution

The fourth proportional to 3,270.43, 4,878.03 and 2,777.95 is: 4,143.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.43 : 4,878.03 = 2,777.95 : x
  2. Step 2: Convert to fraction form
    3,270.43/4,878.03 = 2,777.95/x
  3. Step 3: Cross multiply
    3,270.43x = 4,878.03 × 2,777.95
  4. Step 4: Simplify right side
    3,270.43x = 13,550,923.44
  5. Step 5: Solve for x
    x = 13,550,923.44/3,270.43
  6. Step 6: Final answer
    x = 4,143.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.