Home / 3,311.43-4,965.53-1,850.19

Finding the Fourth Proportional to 3,311.43, 4,965.53 and 1,850.19

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Solution

The fourth proportional to 3,311.43, 4,965.53 and 1,850.19 is: 2,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.43 : 4,965.53 = 1,850.19 : x
  2. Step 2: Convert to fraction form
    3,311.43/4,965.53 = 1,850.19/x
  3. Step 3: Cross multiply
    3,311.43x = 4,965.53 × 1,850.19
  4. Step 4: Simplify right side
    3,311.43x = 9,187,164.70
  5. Step 5: Solve for x
    x = 9,187,164.70/3,311.43
  6. Step 6: Final answer
    x = 2,774.38

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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.