Home / 3,610.26-5,415.69-1,013.19

Finding the Fourth Proportional to 3,610.26, 5,415.69 and 1,013.19

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Solution

The fourth proportional to 3,610.26, 5,415.69 and 1,013.19 is: 1,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.26 : 5,415.69 = 1,013.19 : x
  2. Step 2: Convert to fraction form
    3,610.26/5,415.69 = 1,013.19/x
  3. Step 3: Cross multiply
    3,610.26x = 5,415.69 × 1,013.19
  4. Step 4: Simplify right side
    3,610.26x = 5,487,122.95
  5. Step 5: Solve for x
    x = 5,487,122.95/3,610.26
  6. Step 6: Final answer
    x = 1,519.87

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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.