Home / 3,645.09-5,470.49-2,542.28

Finding the Fourth Proportional to 3,645.09, 5,470.49 and 2,542.28

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Solution

The fourth proportional to 3,645.09, 5,470.49 and 2,542.28 is: 3,815.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.09 : 5,470.49 = 2,542.28 : x
  2. Step 2: Convert to fraction form
    3,645.09/5,470.49 = 2,542.28/x
  3. Step 3: Cross multiply
    3,645.09x = 5,470.49 × 2,542.28
  4. Step 4: Simplify right side
    3,645.09x = 13,907,496.32
  5. Step 5: Solve for x
    x = 13,907,496.32/3,645.09
  6. Step 6: Final answer
    x = 3,815.41

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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.