Home / 2,936.12-4,051.93-1,609.90

Finding the Fourth Proportional to 2,936.12, 4,051.93 and 1,609.90

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Solution

The fourth proportional to 2,936.12, 4,051.93 and 1,609.90 is: 2,221.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.12 : 4,051.93 = 1,609.90 : x
  2. Step 2: Convert to fraction form
    2,936.12/4,051.93 = 1,609.90/x
  3. Step 3: Cross multiply
    2,936.12x = 4,051.93 × 1,609.90
  4. Step 4: Simplify right side
    2,936.12x = 6,523,202.11
  5. Step 5: Solve for x
    x = 6,523,202.11/2,936.12
  6. Step 6: Final answer
    x = 2,221.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.