Home / 2,228.63-3,072.60-1,828.80

Finding the Fourth Proportional to 2,228.63, 3,072.60 and 1,828.80

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Solution

The fourth proportional to 2,228.63, 3,072.60 and 1,828.80 is: 2,521.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.63 : 3,072.60 = 1,828.80 : x
  2. Step 2: Convert to fraction form
    2,228.63/3,072.60 = 1,828.80/x
  3. Step 3: Cross multiply
    2,228.63x = 3,072.60 × 1,828.80
  4. Step 4: Simplify right side
    2,228.63x = 5,619,170.88
  5. Step 5: Solve for x
    x = 5,619,170.88/2,228.63
  6. Step 6: Final answer
    x = 2,521.36

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1.5x scale

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.