Home / 3,609.15-5,414.09-1,300.11

Finding the Fourth Proportional to 3,609.15, 5,414.09 and 1,300.11

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Solution

The fourth proportional to 3,609.15, 5,414.09 and 1,300.11 is: 1,950.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.15 : 5,414.09 = 1,300.11 : x
  2. Step 2: Convert to fraction form
    3,609.15/5,414.09 = 1,300.11/x
  3. Step 3: Cross multiply
    3,609.15x = 5,414.09 × 1,300.11
  4. Step 4: Simplify right side
    3,609.15x = 7,038,906.05
  5. Step 5: Solve for x
    x = 7,038,906.05/3,609.15
  6. Step 6: Final answer
    x = 1,950.29

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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.