Home / 3,798.20-5,697.70-1,576.78

Finding the Fourth Proportional to 3,798.20, 5,697.70 and 1,576.78

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Solution

The fourth proportional to 3,798.20, 5,697.70 and 1,576.78 is: 2,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.20 : 5,697.70 = 1,576.78 : x
  2. Step 2: Convert to fraction form
    3,798.20/5,697.70 = 1,576.78/x
  3. Step 3: Cross multiply
    3,798.20x = 5,697.70 × 1,576.78
  4. Step 4: Simplify right side
    3,798.20x = 8,984,019.41
  5. Step 5: Solve for x
    x = 8,984,019.41/3,798.20
  6. Step 6: Final answer
    x = 2,365.34

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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.