Home / 2,745.37-4,115.31-1,772.16

Finding the Fourth Proportional to 2,745.37, 4,115.31 and 1,772.16

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Solution

The fourth proportional to 2,745.37, 4,115.31 and 1,772.16 is: 2,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.37 : 4,115.31 = 1,772.16 : x
  2. Step 2: Convert to fraction form
    2,745.37/4,115.31 = 1,772.16/x
  3. Step 3: Cross multiply
    2,745.37x = 4,115.31 × 1,772.16
  4. Step 4: Simplify right side
    2,745.37x = 7,292,987.77
  5. Step 5: Solve for x
    x = 7,292,987.77/2,745.37
  6. Step 6: Final answer
    x = 2,656.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.