Home / 3,899.96-5,849.75-1,434.60

Finding the Fourth Proportional to 3,899.96, 5,849.75 and 1,434.60

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Solution

The fourth proportional to 3,899.96, 5,849.75 and 1,434.60 is: 2,151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.96 : 5,849.75 = 1,434.60 : x
  2. Step 2: Convert to fraction form
    3,899.96/5,849.75 = 1,434.60/x
  3. Step 3: Cross multiply
    3,899.96x = 5,849.75 × 1,434.60
  4. Step 4: Simplify right side
    3,899.96x = 8,392,051.35
  5. Step 5: Solve for x
    x = 8,392,051.35/3,899.96
  6. Step 6: Final answer
    x = 2,151.83

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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.