Home / 3,635.18-5,453.49-1,326.86

Finding the Fourth Proportional to 3,635.18, 5,453.49 and 1,326.86

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Solution

The fourth proportional to 3,635.18, 5,453.49 and 1,326.86 is: 1,990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.18 : 5,453.49 = 1,326.86 : x
  2. Step 2: Convert to fraction form
    3,635.18/5,453.49 = 1,326.86/x
  3. Step 3: Cross multiply
    3,635.18x = 5,453.49 × 1,326.86
  4. Step 4: Simplify right side
    3,635.18x = 7,236,017.74
  5. Step 5: Solve for x
    x = 7,236,017.74/3,635.18
  6. Step 6: Final answer
    x = 1,990.55

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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.