Home / 2,228.97-3,074.31-1,876.77

Finding the Fourth Proportional to 2,228.97, 3,074.31 and 1,876.77

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Solution

The fourth proportional to 2,228.97, 3,074.31 and 1,876.77 is: 2,588.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.97 : 3,074.31 = 1,876.77 : x
  2. Step 2: Convert to fraction form
    2,228.97/3,074.31 = 1,876.77/x
  3. Step 3: Cross multiply
    2,228.97x = 3,074.31 × 1,876.77
  4. Step 4: Simplify right side
    2,228.97x = 5,769,772.78
  5. Step 5: Solve for x
    x = 5,769,772.78/2,228.97
  6. Step 6: Final answer
    x = 2,588.54

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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.