Home / 3,680.43-5,520.65-2,589.68

Finding the Fourth Proportional to 3,680.43, 5,520.65 and 2,589.68

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Solution

The fourth proportional to 3,680.43, 5,520.65 and 2,589.68 is: 3,884.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.43 : 5,520.65 = 2,589.68 : x
  2. Step 2: Convert to fraction form
    3,680.43/5,520.65 = 2,589.68/x
  3. Step 3: Cross multiply
    3,680.43x = 5,520.65 × 2,589.68
  4. Step 4: Simplify right side
    3,680.43x = 14,296,716.89
  5. Step 5: Solve for x
    x = 14,296,716.89/3,680.43
  6. Step 6: Final answer
    x = 3,884.52

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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.