Home / 4,161.20-5,739-2,834.96

Finding the Fourth Proportional to 4,161.20, 5,739 and 2,834.96

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Solution

The fourth proportional to 4,161.20, 5,739 and 2,834.96 is: 3,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.20 : 5,739 = 2,834.96 : x
  2. Step 2: Convert to fraction form
    4,161.20/5,739 = 2,834.96/x
  3. Step 3: Cross multiply
    4,161.20x = 5,739 × 2,834.96
  4. Step 4: Simplify right side
    4,161.20x = 16,269,835.44
  5. Step 5: Solve for x
    x = 16,269,835.44/4,161.20
  6. Step 6: Final answer
    x = 3,909.89

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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.