Home / 3,896.90-5,844.43-1,299.84

Finding the Fourth Proportional to 3,896.90, 5,844.43 and 1,299.84

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Solution

The fourth proportional to 3,896.90, 5,844.43 and 1,299.84 is: 1,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.90 : 5,844.43 = 1,299.84 : x
  2. Step 2: Convert to fraction form
    3,896.90/5,844.43 = 1,299.84/x
  3. Step 3: Cross multiply
    3,896.90x = 5,844.43 × 1,299.84
  4. Step 4: Simplify right side
    3,896.90x = 7,596,823.89
  5. Step 5: Solve for x
    x = 7,596,823.89/3,896.90
  6. Step 6: Final answer
    x = 1,949.45

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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.