Home / 3,186.84-4,780.26-1,453.44

Finding the Fourth Proportional to 3,186.84, 4,780.26 and 1,453.44

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Solution

The fourth proportional to 3,186.84, 4,780.26 and 1,453.44 is: 2,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.84 : 4,780.26 = 1,453.44 : x
  2. Step 2: Convert to fraction form
    3,186.84/4,780.26 = 1,453.44/x
  3. Step 3: Cross multiply
    3,186.84x = 4,780.26 × 1,453.44
  4. Step 4: Simplify right side
    3,186.84x = 6,947,821.09
  5. Step 5: Solve for x
    x = 6,947,821.09/3,186.84
  6. Step 6: Final answer
    x = 2,180.16

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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.