Home / 3,450.80-5,173.77-1,369.91

Finding the Fourth Proportional to 3,450.80, 5,173.77 and 1,369.91

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Solution

The fourth proportional to 3,450.80, 5,173.77 and 1,369.91 is: 2,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.80 : 5,173.77 = 1,369.91 : x
  2. Step 2: Convert to fraction form
    3,450.80/5,173.77 = 1,369.91/x
  3. Step 3: Cross multiply
    3,450.80x = 5,173.77 × 1,369.91
  4. Step 4: Simplify right side
    3,450.80x = 7,087,617.33
  5. Step 5: Solve for x
    x = 7,087,617.33/3,450.80
  6. Step 6: Final answer
    x = 2,053.90

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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.