Home / 3,431.21-4,734.82-2,014.96

Finding the Fourth Proportional to 3,431.21, 4,734.82 and 2,014.96

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Solution

The fourth proportional to 3,431.21, 4,734.82 and 2,014.96 is: 2,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.21 : 4,734.82 = 2,014.96 : x
  2. Step 2: Convert to fraction form
    3,431.21/4,734.82 = 2,014.96/x
  3. Step 3: Cross multiply
    3,431.21x = 4,734.82 × 2,014.96
  4. Step 4: Simplify right side
    3,431.21x = 9,540,472.47
  5. Step 5: Solve for x
    x = 9,540,472.47/3,431.21
  6. Step 6: Final answer
    x = 2,780.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.