Home / 3,790.80-5,685.40-1,450.03

Finding the Fourth Proportional to 3,790.80, 5,685.40 and 1,450.03

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Solution

The fourth proportional to 3,790.80, 5,685.40 and 1,450.03 is: 2,174.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.80 : 5,685.40 = 1,450.03 : x
  2. Step 2: Convert to fraction form
    3,790.80/5,685.40 = 1,450.03/x
  3. Step 3: Cross multiply
    3,790.80x = 5,685.40 × 1,450.03
  4. Step 4: Simplify right side
    3,790.80x = 8,243,984.87
  5. Step 5: Solve for x
    x = 8,243,984.87/3,790.80
  6. Step 6: Final answer
    x = 2,174.73

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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.