Home / 2,739.06-3,771.94-2,380

Finding the Fourth Proportional to 2,739.06, 3,771.94 and 2,380

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Solution

The fourth proportional to 2,739.06, 3,771.94 and 2,380 is: 3,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.06 : 3,771.94 = 2,380 : x
  2. Step 2: Convert to fraction form
    2,739.06/3,771.94 = 2,380/x
  3. Step 3: Cross multiply
    2,739.06x = 3,771.94 × 2,380
  4. Step 4: Simplify right side
    2,739.06x = 8,977,217.20
  5. Step 5: Solve for x
    x = 8,977,217.20/2,739.06
  6. Step 6: Final answer
    x = 3,277.48

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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.