Home / 3,634.29-5,448.48-3,428.03

Finding the Fourth Proportional to 3,634.29, 5,448.48 and 3,428.03

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Solution

The fourth proportional to 3,634.29, 5,448.48 and 3,428.03 is: 5,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.29 : 5,448.48 = 3,428.03 : x
  2. Step 2: Convert to fraction form
    3,634.29/5,448.48 = 3,428.03/x
  3. Step 3: Cross multiply
    3,634.29x = 5,448.48 × 3,428.03
  4. Step 4: Simplify right side
    3,634.29x = 18,677,525.65
  5. Step 5: Solve for x
    x = 18,677,525.65/3,634.29
  6. Step 6: Final answer
    x = 5,139.25

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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.