Home / 3,456.36-5,186.70-1,404.36

Finding the Fourth Proportional to 3,456.36, 5,186.70 and 1,404.36

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Solution

The fourth proportional to 3,456.36, 5,186.70 and 1,404.36 is: 2,107.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.36 : 5,186.70 = 1,404.36 : x
  2. Step 2: Convert to fraction form
    3,456.36/5,186.70 = 1,404.36/x
  3. Step 3: Cross multiply
    3,456.36x = 5,186.70 × 1,404.36
  4. Step 4: Simplify right side
    3,456.36x = 7,283,994.01
  5. Step 5: Solve for x
    x = 7,283,994.01/3,456.36
  6. Step 6: Final answer
    x = 2,107.42

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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.