Home / 3,369.25-5,051.87-1,289.42

Finding the Fourth Proportional to 3,369.25, 5,051.87 and 1,289.42

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Solution

The fourth proportional to 3,369.25, 5,051.87 and 1,289.42 is: 1,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.25 : 5,051.87 = 1,289.42 : x
  2. Step 2: Convert to fraction form
    3,369.25/5,051.87 = 1,289.42/x
  3. Step 3: Cross multiply
    3,369.25x = 5,051.87 × 1,289.42
  4. Step 4: Simplify right side
    3,369.25x = 6,513,974.29
  5. Step 5: Solve for x
    x = 6,513,974.29/3,369.25
  6. Step 6: Final answer
    x = 1,933.36

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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.