Home / 3,928.21-5,891.84-1,462.38

Finding the Fourth Proportional to 3,928.21, 5,891.84 and 1,462.38

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Solution

The fourth proportional to 3,928.21, 5,891.84 and 1,462.38 is: 2,193.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.21 : 5,891.84 = 1,462.38 : x
  2. Step 2: Convert to fraction form
    3,928.21/5,891.84 = 1,462.38/x
  3. Step 3: Cross multiply
    3,928.21x = 5,891.84 × 1,462.38
  4. Step 4: Simplify right side
    3,928.21x = 8,616,072.21
  5. Step 5: Solve for x
    x = 8,616,072.21/3,928.21
  6. Step 6: Final answer
    x = 2,193.38

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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.