Home / 2,629.08-3,944.88-1,243.08

Finding the Fourth Proportional to 2,629.08, 3,944.88 and 1,243.08

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Solution

The fourth proportional to 2,629.08, 3,944.88 and 1,243.08 is: 1,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.08 : 3,944.88 = 1,243.08 : x
  2. Step 2: Convert to fraction form
    2,629.08/3,944.88 = 1,243.08/x
  3. Step 3: Cross multiply
    2,629.08x = 3,944.88 × 1,243.08
  4. Step 4: Simplify right side
    2,629.08x = 4,903,801.43
  5. Step 5: Solve for x
    x = 4,903,801.43/2,629.08
  6. Step 6: Final answer
    x = 1,865.22

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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.