Home / 3,076.46-4,245.01-1,897.90

Finding the Fourth Proportional to 3,076.46, 4,245.01 and 1,897.90

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Solution

The fourth proportional to 3,076.46, 4,245.01 and 1,897.90 is: 2,618.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.46 : 4,245.01 = 1,897.90 : x
  2. Step 2: Convert to fraction form
    3,076.46/4,245.01 = 1,897.90/x
  3. Step 3: Cross multiply
    3,076.46x = 4,245.01 × 1,897.90
  4. Step 4: Simplify right side
    3,076.46x = 8,056,604.48
  5. Step 5: Solve for x
    x = 8,056,604.48/3,076.46
  6. Step 6: Final answer
    x = 2,618.79

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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.