Home / 3,635.86-5,453.80-1,170.88

Finding the Fourth Proportional to 3,635.86, 5,453.80 and 1,170.88

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Solution

The fourth proportional to 3,635.86, 5,453.80 and 1,170.88 is: 1,756.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.86 : 5,453.80 = 1,170.88 : x
  2. Step 2: Convert to fraction form
    3,635.86/5,453.80 = 1,170.88/x
  3. Step 3: Cross multiply
    3,635.86x = 5,453.80 × 1,170.88
  4. Step 4: Simplify right side
    3,635.86x = 6,385,745.34
  5. Step 5: Solve for x
    x = 6,385,745.34/3,635.86
  6. Step 6: Final answer
    x = 1,756.32

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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.