Home / 3,759.78-5,185.28-2,267.38

Finding the Fourth Proportional to 3,759.78, 5,185.28 and 2,267.38

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Solution

The fourth proportional to 3,759.78, 5,185.28 and 2,267.38 is: 3,127.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.78 : 5,185.28 = 2,267.38 : x
  2. Step 2: Convert to fraction form
    3,759.78/5,185.28 = 2,267.38/x
  3. Step 3: Cross multiply
    3,759.78x = 5,185.28 × 2,267.38
  4. Step 4: Simplify right side
    3,759.78x = 11,756,983.15
  5. Step 5: Solve for x
    x = 11,756,983.15/3,759.78
  6. Step 6: Final answer
    x = 3,127.04

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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.