Home / 3,075.22-4,247.81-2,487.97

Finding the Fourth Proportional to 3,075.22, 4,247.81 and 2,487.97

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Solution

The fourth proportional to 3,075.22, 4,247.81 and 2,487.97 is: 3,436.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.22 : 4,247.81 = 2,487.97 : x
  2. Step 2: Convert to fraction form
    3,075.22/4,247.81 = 2,487.97/x
  3. Step 3: Cross multiply
    3,075.22x = 4,247.81 × 2,487.97
  4. Step 4: Simplify right side
    3,075.22x = 10,568,423.85
  5. Step 5: Solve for x
    x = 10,568,423.85/3,075.22
  6. Step 6: Final answer
    x = 3,436.64

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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.