Home / 3,895.78-5,844.60-1,263.28

Finding the Fourth Proportional to 3,895.78, 5,844.60 and 1,263.28

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Solution

The fourth proportional to 3,895.78, 5,844.60 and 1,263.28 is: 1,895.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.78 : 5,844.60 = 1,263.28 : x
  2. Step 2: Convert to fraction form
    3,895.78/5,844.60 = 1,263.28/x
  3. Step 3: Cross multiply
    3,895.78x = 5,844.60 × 1,263.28
  4. Step 4: Simplify right side
    3,895.78x = 7,383,366.29
  5. Step 5: Solve for x
    x = 7,383,366.29/3,895.78
  6. Step 6: Final answer
    x = 1,895.22

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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.