Home / 3,448.31-5,169.54-1,369.78

Finding the Fourth Proportional to 3,448.31, 5,169.54 and 1,369.78

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Solution

The fourth proportional to 3,448.31, 5,169.54 and 1,369.78 is: 2,053.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.31 : 5,169.54 = 1,369.78 : x
  2. Step 2: Convert to fraction form
    3,448.31/5,169.54 = 1,369.78/x
  3. Step 3: Cross multiply
    3,448.31x = 5,169.54 × 1,369.78
  4. Step 4: Simplify right side
    3,448.31x = 7,081,132.50
  5. Step 5: Solve for x
    x = 7,081,132.50/3,448.31
  6. Step 6: Final answer
    x = 2,053.51

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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.