Home / 3,771.50-5,659.99-2,653.57

Finding the Fourth Proportional to 3,771.50, 5,659.99 and 2,653.57

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Solution

The fourth proportional to 3,771.50, 5,659.99 and 2,653.57 is: 3,982.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.50 : 5,659.99 = 2,653.57 : x
  2. Step 2: Convert to fraction form
    3,771.50/5,659.99 = 2,653.57/x
  3. Step 3: Cross multiply
    3,771.50x = 5,659.99 × 2,653.57
  4. Step 4: Simplify right side
    3,771.50x = 15,019,179.66
  5. Step 5: Solve for x
    x = 15,019,179.66/3,771.50
  6. Step 6: Final answer
    x = 3,982.28

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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.