Home / 3,288.69-4,538.27-1,961.70

Finding the Fourth Proportional to 3,288.69, 4,538.27 and 1,961.70

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Solution

The fourth proportional to 3,288.69, 4,538.27 and 1,961.70 is: 2,707.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.69 : 4,538.27 = 1,961.70 : x
  2. Step 2: Convert to fraction form
    3,288.69/4,538.27 = 1,961.70/x
  3. Step 3: Cross multiply
    3,288.69x = 4,538.27 × 1,961.70
  4. Step 4: Simplify right side
    3,288.69x = 8,902,714.45
  5. Step 5: Solve for x
    x = 8,902,714.45/3,288.69
  6. Step 6: Final answer
    x = 2,707.07

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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.