Home / 4,020.90-5,548.64-2,228.28

Finding the Fourth Proportional to 4,020.90, 5,548.64 and 2,228.28

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Solution

The fourth proportional to 4,020.90, 5,548.64 and 2,228.28 is: 3,074.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.90 : 5,548.64 = 2,228.28 : x
  2. Step 2: Convert to fraction form
    4,020.90/5,548.64 = 2,228.28/x
  3. Step 3: Cross multiply
    4,020.90x = 5,548.64 × 2,228.28
  4. Step 4: Simplify right side
    4,020.90x = 12,363,923.54
  5. Step 5: Solve for x
    x = 12,363,923.54/4,020.90
  6. Step 6: Final answer
    x = 3,074.91

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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.