Home / 3,861.90-5,329.43-2,093.49

Finding the Fourth Proportional to 3,861.90, 5,329.43 and 2,093.49

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Solution

The fourth proportional to 3,861.90, 5,329.43 and 2,093.49 is: 2,889.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.90 : 5,329.43 = 2,093.49 : x
  2. Step 2: Convert to fraction form
    3,861.90/5,329.43 = 2,093.49/x
  3. Step 3: Cross multiply
    3,861.90x = 5,329.43 × 2,093.49
  4. Step 4: Simplify right side
    3,861.90x = 11,157,097.94
  5. Step 5: Solve for x
    x = 11,157,097.94/3,861.90
  6. Step 6: Final answer
    x = 2,889.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.