Home / 3,693.12-5,541.44-1,745.92

Finding the Fourth Proportional to 3,693.12, 5,541.44 and 1,745.92

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Solution

The fourth proportional to 3,693.12, 5,541.44 and 1,745.92 is: 2,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.12 : 5,541.44 = 1,745.92 : x
  2. Step 2: Convert to fraction form
    3,693.12/5,541.44 = 1,745.92/x
  3. Step 3: Cross multiply
    3,693.12x = 5,541.44 × 1,745.92
  4. Step 4: Simplify right side
    3,693.12x = 9,674,910.92
  5. Step 5: Solve for x
    x = 9,674,910.92/3,693.12
  6. Step 6: Final answer
    x = 2,619.71

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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.