Home / 3,182.44-4,770.78-1,129.96

Finding the Fourth Proportional to 3,182.44, 4,770.78 and 1,129.96

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Solution

The fourth proportional to 3,182.44, 4,770.78 and 1,129.96 is: 1,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.44 : 4,770.78 = 1,129.96 : x
  2. Step 2: Convert to fraction form
    3,182.44/4,770.78 = 1,129.96/x
  3. Step 3: Cross multiply
    3,182.44x = 4,770.78 × 1,129.96
  4. Step 4: Simplify right side
    3,182.44x = 5,390,790.57
  5. Step 5: Solve for x
    x = 5,390,790.57/3,182.44
  6. Step 6: Final answer
    x = 1,693.92

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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.