Home / 3,276.93-4,917.44-1,428.06

Finding the Fourth Proportional to 3,276.93, 4,917.44 and 1,428.06

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Solution

The fourth proportional to 3,276.93, 4,917.44 and 1,428.06 is: 2,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.93 : 4,917.44 = 1,428.06 : x
  2. Step 2: Convert to fraction form
    3,276.93/4,917.44 = 1,428.06/x
  3. Step 3: Cross multiply
    3,276.93x = 4,917.44 × 1,428.06
  4. Step 4: Simplify right side
    3,276.93x = 7,022,399.37
  5. Step 5: Solve for x
    x = 7,022,399.37/3,276.93
  6. Step 6: Final answer
    x = 2,142.98

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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.