Home / 3,450.08-5,173.70-1,369.80

Finding the Fourth Proportional to 3,450.08, 5,173.70 and 1,369.80

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Solution

The fourth proportional to 3,450.08, 5,173.70 and 1,369.80 is: 2,054.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.08 : 5,173.70 = 1,369.80 : x
  2. Step 2: Convert to fraction form
    3,450.08/5,173.70 = 1,369.80/x
  3. Step 3: Cross multiply
    3,450.08x = 5,173.70 × 1,369.80
  4. Step 4: Simplify right side
    3,450.08x = 7,086,934.26
  5. Step 5: Solve for x
    x = 7,086,934.26/3,450.08
  6. Step 6: Final answer
    x = 2,054.14

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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.