Home / 3,635.74-5,453.85-1,326.62

Finding the Fourth Proportional to 3,635.74, 5,453.85 and 1,326.62

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Solution

The fourth proportional to 3,635.74, 5,453.85 and 1,326.62 is: 1,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.74 : 5,453.85 = 1,326.62 : x
  2. Step 2: Convert to fraction form
    3,635.74/5,453.85 = 1,326.62/x
  3. Step 3: Cross multiply
    3,635.74x = 5,453.85 × 1,326.62
  4. Step 4: Simplify right side
    3,635.74x = 7,235,186.49
  5. Step 5: Solve for x
    x = 7,235,186.49/3,635.74
  6. Step 6: Final answer
    x = 1,990.02

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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.