Home / 2,228.44-3,081.12-1,951.65

Finding the Fourth Proportional to 2,228.44, 3,081.12 and 1,951.65

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Solution

The fourth proportional to 2,228.44, 3,081.12 and 1,951.65 is: 2,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.44 : 3,081.12 = 1,951.65 : x
  2. Step 2: Convert to fraction form
    2,228.44/3,081.12 = 1,951.65/x
  3. Step 3: Cross multiply
    2,228.44x = 3,081.12 × 1,951.65
  4. Step 4: Simplify right side
    2,228.44x = 6,013,242.68
  5. Step 5: Solve for x
    x = 6,013,242.68/2,228.44
  6. Step 6: Final answer
    x = 2,698.41

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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.