Home / 3,610.21-5,415.99-1,144.81

Finding the Fourth Proportional to 3,610.21, 5,415.99 and 1,144.81

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Solution

The fourth proportional to 3,610.21, 5,415.99 and 1,144.81 is: 1,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.21 : 5,415.99 = 1,144.81 : x
  2. Step 2: Convert to fraction form
    3,610.21/5,415.99 = 1,144.81/x
  3. Step 3: Cross multiply
    3,610.21x = 5,415.99 × 1,144.81
  4. Step 4: Simplify right side
    3,610.21x = 6,200,279.51
  5. Step 5: Solve for x
    x = 6,200,279.51/3,610.21
  6. Step 6: Final answer
    x = 1,717.43

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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.