Home / 4,021.20-5,548.96-2,228.61

Finding the Fourth Proportional to 4,021.20, 5,548.96 and 2,228.61

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Solution

The fourth proportional to 4,021.20, 5,548.96 and 2,228.61 is: 3,075.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.20 : 5,548.96 = 2,228.61 : x
  2. Step 2: Convert to fraction form
    4,021.20/5,548.96 = 2,228.61/x
  3. Step 3: Cross multiply
    4,021.20x = 5,548.96 × 2,228.61
  4. Step 4: Simplify right side
    4,021.20x = 12,366,467.75
  5. Step 5: Solve for x
    x = 12,366,467.75/4,021.20
  6. Step 6: Final answer
    x = 3,075.32

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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.