Home / 3,193.68-4,790.70-1,245.72

Finding the Fourth Proportional to 3,193.68, 4,790.70 and 1,245.72

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Solution

The fourth proportional to 3,193.68, 4,790.70 and 1,245.72 is: 1,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.68 : 4,790.70 = 1,245.72 : x
  2. Step 2: Convert to fraction form
    3,193.68/4,790.70 = 1,245.72/x
  3. Step 3: Cross multiply
    3,193.68x = 4,790.70 × 1,245.72
  4. Step 4: Simplify right side
    3,193.68x = 5,967,870.80
  5. Step 5: Solve for x
    x = 5,967,870.80/3,193.68
  6. Step 6: Final answer
    x = 1,868.65

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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.