Home / 3,634.77-5,454.36-1,443.66

Finding the Fourth Proportional to 3,634.77, 5,454.36 and 1,443.66

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Solution

The fourth proportional to 3,634.77, 5,454.36 and 1,443.66 is: 2,166.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.77 : 5,454.36 = 1,443.66 : x
  2. Step 2: Convert to fraction form
    3,634.77/5,454.36 = 1,443.66/x
  3. Step 3: Cross multiply
    3,634.77x = 5,454.36 × 1,443.66
  4. Step 4: Simplify right side
    3,634.77x = 7,874,241.36
  5. Step 5: Solve for x
    x = 7,874,241.36/3,634.77
  6. Step 6: Final answer
    x = 2,166.37

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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.