Home / 3,758.62-5,181.38-2,636.16

Finding the Fourth Proportional to 3,758.62, 5,181.38 and 2,636.16

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Solution

The fourth proportional to 3,758.62, 5,181.38 and 2,636.16 is: 3,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.62 : 5,181.38 = 2,636.16 : x
  2. Step 2: Convert to fraction form
    3,758.62/5,181.38 = 2,636.16/x
  3. Step 3: Cross multiply
    3,758.62x = 5,181.38 × 2,636.16
  4. Step 4: Simplify right side
    3,758.62x = 13,658,946.70
  5. Step 5: Solve for x
    x = 13,658,946.70/3,758.62
  6. Step 6: Final answer
    x = 3,634.03

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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.