Home / 3,887.85-5,823.55-3,144.27

Finding the Fourth Proportional to 3,887.85, 5,823.55 and 3,144.27

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Solution

The fourth proportional to 3,887.85, 5,823.55 and 3,144.27 is: 4,709.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.85 : 5,823.55 = 3,144.27 : x
  2. Step 2: Convert to fraction form
    3,887.85/5,823.55 = 3,144.27/x
  3. Step 3: Cross multiply
    3,887.85x = 5,823.55 × 3,144.27
  4. Step 4: Simplify right side
    3,887.85x = 18,310,805.70
  5. Step 5: Solve for x
    x = 18,310,805.70/3,887.85
  6. Step 6: Final answer
    x = 4,709.75

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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.