Home / 2,027-2,797.36-1,187.94

Finding the Fourth Proportional to 2,027, 2,797.36 and 1,187.94

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Solution

The fourth proportional to 2,027, 2,797.36 and 1,187.94 is: 1,639.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027 : 2,797.36 = 1,187.94 : x
  2. Step 2: Convert to fraction form
    2,027/2,797.36 = 1,187.94/x
  3. Step 3: Cross multiply
    2,027x = 2,797.36 × 1,187.94
  4. Step 4: Simplify right side
    2,027x = 3,323,095.84
  5. Step 5: Solve for x
    x = 3,323,095.84/2,027
  6. Step 6: Final answer
    x = 1,639.42

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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.