Home / 3,453.21-5,168.81-2,751.98

Finding the Fourth Proportional to 3,453.21, 5,168.81 and 2,751.98

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Solution

The fourth proportional to 3,453.21, 5,168.81 and 2,751.98 is: 4,119.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.21 : 5,168.81 = 2,751.98 : x
  2. Step 2: Convert to fraction form
    3,453.21/5,168.81 = 2,751.98/x
  3. Step 3: Cross multiply
    3,453.21x = 5,168.81 × 2,751.98
  4. Step 4: Simplify right side
    3,453.21x = 14,224,442.78
  5. Step 5: Solve for x
    x = 14,224,442.78/3,453.21
  6. Step 6: Final answer
    x = 4,119.19

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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.