Home / 3,021.05-4,532.88-1,635.36

Finding the Fourth Proportional to 3,021.05, 4,532.88 and 1,635.36

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Solution

The fourth proportional to 3,021.05, 4,532.88 and 1,635.36 is: 2,453.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.05 : 4,532.88 = 1,635.36 : x
  2. Step 2: Convert to fraction form
    3,021.05/4,532.88 = 1,635.36/x
  3. Step 3: Cross multiply
    3,021.05x = 4,532.88 × 1,635.36
  4. Step 4: Simplify right side
    3,021.05x = 7,412,890.64
  5. Step 5: Solve for x
    x = 7,412,890.64/3,021.05
  6. Step 6: Final answer
    x = 2,453.75

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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.