Home / 3,019.44-4,530.98-1,288.06

Finding the Fourth Proportional to 3,019.44, 4,530.98 and 1,288.06

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Solution

The fourth proportional to 3,019.44, 4,530.98 and 1,288.06 is: 1,932.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.44 : 4,530.98 = 1,288.06 : x
  2. Step 2: Convert to fraction form
    3,019.44/4,530.98 = 1,288.06/x
  3. Step 3: Cross multiply
    3,019.44x = 4,530.98 × 1,288.06
  4. Step 4: Simplify right side
    3,019.44x = 5,836,185.43
  5. Step 5: Solve for x
    x = 5,836,185.43/3,019.44
  6. Step 6: Final answer
    x = 1,932.87

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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.