Home / 3,640.62-5,022.63-2,240.94

Finding the Fourth Proportional to 3,640.62, 5,022.63 and 2,240.94

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Solution

The fourth proportional to 3,640.62, 5,022.63 and 2,240.94 is: 3,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.62 : 5,022.63 = 2,240.94 : x
  2. Step 2: Convert to fraction form
    3,640.62/5,022.63 = 2,240.94/x
  3. Step 3: Cross multiply
    3,640.62x = 5,022.63 × 2,240.94
  4. Step 4: Simplify right side
    3,640.62x = 11,255,412.47
  5. Step 5: Solve for x
    x = 11,255,412.47/3,640.62
  6. Step 6: Final answer
    x = 3,091.62

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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.