Home / 3,186.49-4,777.88-1,236.41

Finding the Fourth Proportional to 3,186.49, 4,777.88 and 1,236.41

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Solution

The fourth proportional to 3,186.49, 4,777.88 and 1,236.41 is: 1,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.49 : 4,777.88 = 1,236.41 : x
  2. Step 2: Convert to fraction form
    3,186.49/4,777.88 = 1,236.41/x
  3. Step 3: Cross multiply
    3,186.49x = 4,777.88 × 1,236.41
  4. Step 4: Simplify right side
    3,186.49x = 5,907,424.37
  5. Step 5: Solve for x
    x = 5,907,424.37/3,186.49
  6. Step 6: Final answer
    x = 1,853.90

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1.5x scale

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.