Home / 3,102.21-4,652.34-1,021.74

Finding the Fourth Proportional to 3,102.21, 4,652.34 and 1,021.74

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Solution

The fourth proportional to 3,102.21, 4,652.34 and 1,021.74 is: 1,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.21 : 4,652.34 = 1,021.74 : x
  2. Step 2: Convert to fraction form
    3,102.21/4,652.34 = 1,021.74/x
  3. Step 3: Cross multiply
    3,102.21x = 4,652.34 × 1,021.74
  4. Step 4: Simplify right side
    3,102.21x = 4,753,481.87
  5. Step 5: Solve for x
    x = 4,753,481.87/3,102.21
  6. Step 6: Final answer
    x = 1,532.29

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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.