Home / 2,739.07-3,771.95-2,379.99

Finding the Fourth Proportional to 2,739.07, 3,771.95 and 2,379.99

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Solution

The fourth proportional to 2,739.07, 3,771.95 and 2,379.99 is: 3,277.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.07 : 3,771.95 = 2,379.99 : x
  2. Step 2: Convert to fraction form
    2,739.07/3,771.95 = 2,379.99/x
  3. Step 3: Cross multiply
    2,739.07x = 3,771.95 × 2,379.99
  4. Step 4: Simplify right side
    2,739.07x = 8,977,203.28
  5. Step 5: Solve for x
    x = 8,977,203.28/2,739.07
  6. Step 6: Final answer
    x = 3,277.46

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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.