Home / 3,576-4,933.20-2,528.64

Finding the Fourth Proportional to 3,576, 4,933.20 and 2,528.64

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Solution

The fourth proportional to 3,576, 4,933.20 and 2,528.64 is: 3,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576 : 4,933.20 = 2,528.64 : x
  2. Step 2: Convert to fraction form
    3,576/4,933.20 = 2,528.64/x
  3. Step 3: Cross multiply
    3,576x = 4,933.20 × 2,528.64
  4. Step 4: Simplify right side
    3,576x = 12,474,286.85
  5. Step 5: Solve for x
    x = 12,474,286.85/3,576
  6. Step 6: Final answer
    x = 3,488.34

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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.