Home / 3,619.35-5,423.79-1,768.38

Finding the Fourth Proportional to 3,619.35, 5,423.79 and 1,768.38

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Solution

The fourth proportional to 3,619.35, 5,423.79 and 1,768.38 is: 2,650.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.35 : 5,423.79 = 1,768.38 : x
  2. Step 2: Convert to fraction form
    3,619.35/5,423.79 = 1,768.38/x
  3. Step 3: Cross multiply
    3,619.35x = 5,423.79 × 1,768.38
  4. Step 4: Simplify right side
    3,619.35x = 9,591,321.76
  5. Step 5: Solve for x
    x = 9,591,321.76/3,619.35
  6. Step 6: Final answer
    x = 2,650.01

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1.5x scale

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.