Home / 3,689.37-5,535.68-1,933.95

Finding the Fourth Proportional to 3,689.37, 5,535.68 and 1,933.95

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Solution

The fourth proportional to 3,689.37, 5,535.68 and 1,933.95 is: 2,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.37 : 5,535.68 = 1,933.95 : x
  2. Step 2: Convert to fraction form
    3,689.37/5,535.68 = 1,933.95/x
  3. Step 3: Cross multiply
    3,689.37x = 5,535.68 × 1,933.95
  4. Step 4: Simplify right side
    3,689.37x = 10,705,718.67
  5. Step 5: Solve for x
    x = 10,705,718.67/3,689.37
  6. Step 6: Final answer
    x = 2,901.78

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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.