Home / 3,610.48-5,415.24-1,418.62

Finding the Fourth Proportional to 3,610.48, 5,415.24 and 1,418.62

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Solution

The fourth proportional to 3,610.48, 5,415.24 and 1,418.62 is: 2,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.48 : 5,415.24 = 1,418.62 : x
  2. Step 2: Convert to fraction form
    3,610.48/5,415.24 = 1,418.62/x
  3. Step 3: Cross multiply
    3,610.48x = 5,415.24 × 1,418.62
  4. Step 4: Simplify right side
    3,610.48x = 7,682,167.77
  5. Step 5: Solve for x
    x = 7,682,167.77/3,610.48
  6. Step 6: Final answer
    x = 2,127.74

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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.