Home / 3,671.09-5,509.35-2,286.44

Finding the Fourth Proportional to 3,671.09, 5,509.35 and 2,286.44

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Solution

The fourth proportional to 3,671.09, 5,509.35 and 2,286.44 is: 3,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.09 : 5,509.35 = 2,286.44 : x
  2. Step 2: Convert to fraction form
    3,671.09/5,509.35 = 2,286.44/x
  3. Step 3: Cross multiply
    3,671.09x = 5,509.35 × 2,286.44
  4. Step 4: Simplify right side
    3,671.09x = 12,596,770.67
  5. Step 5: Solve for x
    x = 12,596,770.67/3,671.09
  6. Step 6: Final answer
    x = 3,431.35

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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.