Home / 4,020.72-5,548.08-2,228.05

Finding the Fourth Proportional to 4,020.72, 5,548.08 and 2,228.05

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Solution

The fourth proportional to 4,020.72, 5,548.08 and 2,228.05 is: 3,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.72 : 5,548.08 = 2,228.05 : x
  2. Step 2: Convert to fraction form
    4,020.72/5,548.08 = 2,228.05/x
  3. Step 3: Cross multiply
    4,020.72x = 5,548.08 × 2,228.05
  4. Step 4: Simplify right side
    4,020.72x = 12,361,399.64
  5. Step 5: Solve for x
    x = 12,361,399.64/4,020.72
  6. Step 6: Final answer
    x = 3,074.42

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Half scale
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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.