Home / 2,741.85-3,782.57-1,904.49

Finding the Fourth Proportional to 2,741.85, 3,782.57 and 1,904.49

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Solution

The fourth proportional to 2,741.85, 3,782.57 and 1,904.49 is: 2,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.85 : 3,782.57 = 1,904.49 : x
  2. Step 2: Convert to fraction form
    2,741.85/3,782.57 = 1,904.49/x
  3. Step 3: Cross multiply
    2,741.85x = 3,782.57 × 1,904.49
  4. Step 4: Simplify right side
    2,741.85x = 7,203,857.22
  5. Step 5: Solve for x
    x = 7,203,857.22/2,741.85
  6. Step 6: Final answer
    x = 2,627.37

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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.