Home / 3,076.65-4,245.24-1,817.61

Finding the Fourth Proportional to 3,076.65, 4,245.24 and 1,817.61

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Solution

The fourth proportional to 3,076.65, 4,245.24 and 1,817.61 is: 2,507.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.65 : 4,245.24 = 1,817.61 : x
  2. Step 2: Convert to fraction form
    3,076.65/4,245.24 = 1,817.61/x
  3. Step 3: Cross multiply
    3,076.65x = 4,245.24 × 1,817.61
  4. Step 4: Simplify right side
    3,076.65x = 7,716,190.68
  5. Step 5: Solve for x
    x = 7,716,190.68/3,076.65
  6. Step 6: Final answer
    x = 2,507.98

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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.