Home / 3,193.35-4,789.62-1,438.50

Finding the Fourth Proportional to 3,193.35, 4,789.62 and 1,438.50

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Solution

The fourth proportional to 3,193.35, 4,789.62 and 1,438.50 is: 2,157.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.35 : 4,789.62 = 1,438.50 : x
  2. Step 2: Convert to fraction form
    3,193.35/4,789.62 = 1,438.50/x
  3. Step 3: Cross multiply
    3,193.35x = 4,789.62 × 1,438.50
  4. Step 4: Simplify right side
    3,193.35x = 6,889,868.37
  5. Step 5: Solve for x
    x = 6,889,868.37/3,193.35
  6. Step 6: Final answer
    x = 2,157.57

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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.