Home / 2,747.10-3,791.70-1,698.54

Finding the Fourth Proportional to 2,747.10, 3,791.70 and 1,698.54

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Solution

The fourth proportional to 2,747.10, 3,791.70 and 1,698.54 is: 2,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.10 : 3,791.70 = 1,698.54 : x
  2. Step 2: Convert to fraction form
    2,747.10/3,791.70 = 1,698.54/x
  3. Step 3: Cross multiply
    2,747.10x = 3,791.70 × 1,698.54
  4. Step 4: Simplify right side
    2,747.10x = 6,440,354.12
  5. Step 5: Solve for x
    x = 6,440,354.12/2,747.10
  6. Step 6: Final answer
    x = 2,344.42

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1.5x scale

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.