Home / 3,778.88-5,666.84-2,219.27

Finding the Fourth Proportional to 3,778.88, 5,666.84 and 2,219.27

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Solution

The fourth proportional to 3,778.88, 5,666.84 and 2,219.27 is: 3,328.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.88 : 5,666.84 = 2,219.27 : x
  2. Step 2: Convert to fraction form
    3,778.88/5,666.84 = 2,219.27/x
  3. Step 3: Cross multiply
    3,778.88x = 5,666.84 × 2,219.27
  4. Step 4: Simplify right side
    3,778.88x = 12,576,258.47
  5. Step 5: Solve for x
    x = 12,576,258.47/3,778.88
  6. Step 6: Final answer
    x = 3,328.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.