Home / 3,555.43-5,334.68-1,910.05

Finding the Fourth Proportional to 3,555.43, 5,334.68 and 1,910.05

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Solution

The fourth proportional to 3,555.43, 5,334.68 and 1,910.05 is: 2,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.43 : 5,334.68 = 1,910.05 : x
  2. Step 2: Convert to fraction form
    3,555.43/5,334.68 = 1,910.05/x
  3. Step 3: Cross multiply
    3,555.43x = 5,334.68 × 1,910.05
  4. Step 4: Simplify right side
    3,555.43x = 10,189,505.53
  5. Step 5: Solve for x
    x = 10,189,505.53/3,555.43
  6. Step 6: Final answer
    x = 2,865.90

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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.