Home / 3,193.14-4,790.30-1,438.19

Finding the Fourth Proportional to 3,193.14, 4,790.30 and 1,438.19

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Solution

The fourth proportional to 3,193.14, 4,790.30 and 1,438.19 is: 2,157.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.14 : 4,790.30 = 1,438.19 : x
  2. Step 2: Convert to fraction form
    3,193.14/4,790.30 = 1,438.19/x
  3. Step 3: Cross multiply
    3,193.14x = 4,790.30 × 1,438.19
  4. Step 4: Simplify right side
    3,193.14x = 6,889,361.56
  5. Step 5: Solve for x
    x = 6,889,361.56/3,193.14
  6. Step 6: Final answer
    x = 2,157.55

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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.