Home / 3,305.56-4,951.73-1,988.59

Finding the Fourth Proportional to 3,305.56, 4,951.73 and 1,988.59

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Solution

The fourth proportional to 3,305.56, 4,951.73 and 1,988.59 is: 2,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.56 : 4,951.73 = 1,988.59 : x
  2. Step 2: Convert to fraction form
    3,305.56/4,951.73 = 1,988.59/x
  3. Step 3: Cross multiply
    3,305.56x = 4,951.73 × 1,988.59
  4. Step 4: Simplify right side
    3,305.56x = 9,846,948.38
  5. Step 5: Solve for x
    x = 9,846,948.38/3,305.56
  6. Step 6: Final answer
    x = 2,978.90

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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.