Home / 3,659.45-5,049.99-2,087.57

Finding the Fourth Proportional to 3,659.45, 5,049.99 and 2,087.57

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Solution

The fourth proportional to 3,659.45, 5,049.99 and 2,087.57 is: 2,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.45 : 5,049.99 = 2,087.57 : x
  2. Step 2: Convert to fraction form
    3,659.45/5,049.99 = 2,087.57/x
  3. Step 3: Cross multiply
    3,659.45x = 5,049.99 × 2,087.57
  4. Step 4: Simplify right side
    3,659.45x = 10,542,207.62
  5. Step 5: Solve for x
    x = 10,542,207.62/3,659.45
  6. Step 6: Final answer
    x = 2,880.82

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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.