Home / 2,745.14-3,785.42-2,074.52

Finding the Fourth Proportional to 2,745.14, 3,785.42 and 2,074.52

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Solution

The fourth proportional to 2,745.14, 3,785.42 and 2,074.52 is: 2,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.14 : 3,785.42 = 2,074.52 : x
  2. Step 2: Convert to fraction form
    2,745.14/3,785.42 = 2,074.52/x
  3. Step 3: Cross multiply
    2,745.14x = 3,785.42 × 2,074.52
  4. Step 4: Simplify right side
    2,745.14x = 7,852,919.13
  5. Step 5: Solve for x
    x = 7,852,919.13/2,745.14
  6. Step 6: Final answer
    x = 2,860.66

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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.