Home / 3,899.28-5,849.73-1,267.44

Finding the Fourth Proportional to 3,899.28, 5,849.73 and 1,267.44

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Solution

The fourth proportional to 3,899.28, 5,849.73 and 1,267.44 is: 1,901.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.28 : 5,849.73 = 1,267.44 : x
  2. Step 2: Convert to fraction form
    3,899.28/5,849.73 = 1,267.44/x
  3. Step 3: Cross multiply
    3,899.28x = 5,849.73 × 1,267.44
  4. Step 4: Simplify right side
    3,899.28x = 7,414,181.79
  5. Step 5: Solve for x
    x = 7,414,181.79/3,899.28
  6. Step 6: Final answer
    x = 1,901.42

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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.