Home / 2,679.48-4,013.37-1,636.34

Finding the Fourth Proportional to 2,679.48, 4,013.37 and 1,636.34

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Solution

The fourth proportional to 2,679.48, 4,013.37 and 1,636.34 is: 2,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.48 : 4,013.37 = 1,636.34 : x
  2. Step 2: Convert to fraction form
    2,679.48/4,013.37 = 1,636.34/x
  3. Step 3: Cross multiply
    2,679.48x = 4,013.37 × 1,636.34
  4. Step 4: Simplify right side
    2,679.48x = 6,567,217.80
  5. Step 5: Solve for x
    x = 6,567,217.80/2,679.48
  6. Step 6: Final answer
    x = 2,450.93

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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.