Home / 3,425.65-5,134.37-2,107.29

Finding the Fourth Proportional to 3,425.65, 5,134.37 and 2,107.29

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Solution

The fourth proportional to 3,425.65, 5,134.37 and 2,107.29 is: 3,158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.65 : 5,134.37 = 2,107.29 : x
  2. Step 2: Convert to fraction form
    3,425.65/5,134.37 = 2,107.29/x
  3. Step 3: Cross multiply
    3,425.65x = 5,134.37 × 2,107.29
  4. Step 4: Simplify right side
    3,425.65x = 10,819,615.27
  5. Step 5: Solve for x
    x = 10,819,615.27/3,425.65
  6. Step 6: Final answer
    x = 3,158.41

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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.