Home / 3,907.26-5,392.44-2,228.67

Finding the Fourth Proportional to 3,907.26, 5,392.44 and 2,228.67

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Solution

The fourth proportional to 3,907.26, 5,392.44 and 2,228.67 is: 3,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.26 : 5,392.44 = 2,228.67 : x
  2. Step 2: Convert to fraction form
    3,907.26/5,392.44 = 2,228.67/x
  3. Step 3: Cross multiply
    3,907.26x = 5,392.44 × 2,228.67
  4. Step 4: Simplify right side
    3,907.26x = 12,017,969.25
  5. Step 5: Solve for x
    x = 12,017,969.25/3,907.26
  6. Step 6: Final answer
    x = 3,075.80

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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.