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Finding the Fourth Proportional to 2,739.46, 3,775.94 and 1,854.94

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Solution

The fourth proportional to 2,739.46, 3,775.94 and 1,854.94 is: 2,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.46 : 3,775.94 = 1,854.94 : x
  2. Step 2: Convert to fraction form
    2,739.46/3,775.94 = 1,854.94/x
  3. Step 3: Cross multiply
    2,739.46x = 3,775.94 × 1,854.94
  4. Step 4: Simplify right side
    2,739.46x = 7,004,142.14
  5. Step 5: Solve for x
    x = 7,004,142.14/2,739.46
  6. Step 6: Final answer
    x = 2,556.76

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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.