Home / 4,091.32-5,645.94-2,228.28

Finding the Fourth Proportional to 4,091.32, 5,645.94 and 2,228.28

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Solution

The fourth proportional to 4,091.32, 5,645.94 and 2,228.28 is: 3,074.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.32 : 5,645.94 = 2,228.28 : x
  2. Step 2: Convert to fraction form
    4,091.32/5,645.94 = 2,228.28/x
  3. Step 3: Cross multiply
    4,091.32x = 5,645.94 × 2,228.28
  4. Step 4: Simplify right side
    4,091.32x = 12,580,735.18
  5. Step 5: Solve for x
    x = 12,580,735.18/4,091.32
  6. Step 6: Final answer
    x = 3,074.98

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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.