Home / 3,134.88-4,325.16-2,087.12

Finding the Fourth Proportional to 3,134.88, 4,325.16 and 2,087.12

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Solution

The fourth proportional to 3,134.88, 4,325.16 and 2,087.12 is: 2,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.88 : 4,325.16 = 2,087.12 : x
  2. Step 2: Convert to fraction form
    3,134.88/4,325.16 = 2,087.12/x
  3. Step 3: Cross multiply
    3,134.88x = 4,325.16 × 2,087.12
  4. Step 4: Simplify right side
    3,134.88x = 9,027,127.94
  5. Step 5: Solve for x
    x = 9,027,127.94/3,134.88
  6. Step 6: Final answer
    x = 2,879.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.