Home / 2,936.80-4,404.99-1,087.57

Finding the Fourth Proportional to 2,936.80, 4,404.99 and 1,087.57

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Solution

The fourth proportional to 2,936.80, 4,404.99 and 1,087.57 is: 1,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.80 : 4,404.99 = 1,087.57 : x
  2. Step 2: Convert to fraction form
    2,936.80/4,404.99 = 1,087.57/x
  3. Step 3: Cross multiply
    2,936.80x = 4,404.99 × 1,087.57
  4. Step 4: Simplify right side
    2,936.80x = 4,790,734.97
  5. Step 5: Solve for x
    x = 4,790,734.97/2,936.80
  6. Step 6: Final answer
    x = 1,631.28

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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.