Home / 3,021.10-4,529.22-2,778.10

Finding the Fourth Proportional to 3,021.10, 4,529.22 and 2,778.10

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Solution

The fourth proportional to 3,021.10, 4,529.22 and 2,778.10 is: 4,164.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.10 : 4,529.22 = 2,778.10 : x
  2. Step 2: Convert to fraction form
    3,021.10/4,529.22 = 2,778.10/x
  3. Step 3: Cross multiply
    3,021.10x = 4,529.22 × 2,778.10
  4. Step 4: Simplify right side
    3,021.10x = 12,582,626.08
  5. Step 5: Solve for x
    x = 12,582,626.08/3,021.10
  6. Step 6: Final answer
    x = 4,164.92

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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.