Home / 3,635.12-5,453.50-1,326.62

Finding the Fourth Proportional to 3,635.12, 5,453.50 and 1,326.62

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Solution

The fourth proportional to 3,635.12, 5,453.50 and 1,326.62 is: 1,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.12 : 5,453.50 = 1,326.62 : x
  2. Step 2: Convert to fraction form
    3,635.12/5,453.50 = 1,326.62/x
  3. Step 3: Cross multiply
    3,635.12x = 5,453.50 × 1,326.62
  4. Step 4: Simplify right side
    3,635.12x = 7,234,722.17
  5. Step 5: Solve for x
    x = 7,234,722.17/3,635.12
  6. Step 6: Final answer
    x = 1,990.23

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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.