Home / 2,745.12-4,117.73-1,512.30

Finding the Fourth Proportional to 2,745.12, 4,117.73 and 1,512.30

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Solution

The fourth proportional to 2,745.12, 4,117.73 and 1,512.30 is: 2,268.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.12 : 4,117.73 = 1,512.30 : x
  2. Step 2: Convert to fraction form
    2,745.12/4,117.73 = 1,512.30/x
  3. Step 3: Cross multiply
    2,745.12x = 4,117.73 × 1,512.30
  4. Step 4: Simplify right side
    2,745.12x = 6,227,235.52
  5. Step 5: Solve for x
    x = 6,227,235.52/2,745.12
  6. Step 6: Final answer
    x = 2,268.47

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