Home / 3,189.94-4,782.03-1,137.46

Finding the Fourth Proportional to 3,189.94, 4,782.03 and 1,137.46

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Solution

The fourth proportional to 3,189.94, 4,782.03 and 1,137.46 is: 1,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.94 : 4,782.03 = 1,137.46 : x
  2. Step 2: Convert to fraction form
    3,189.94/4,782.03 = 1,137.46/x
  3. Step 3: Cross multiply
    3,189.94x = 4,782.03 × 1,137.46
  4. Step 4: Simplify right side
    3,189.94x = 5,439,367.84
  5. Step 5: Solve for x
    x = 5,439,367.84/3,189.94
  6. Step 6: Final answer
    x = 1,705.16

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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.