Home / 2,769.75-3,822.27-1,590.81

Finding the Fourth Proportional to 2,769.75, 3,822.27 and 1,590.81

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Solution

The fourth proportional to 2,769.75, 3,822.27 and 1,590.81 is: 2,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.75 : 3,822.27 = 1,590.81 : x
  2. Step 2: Convert to fraction form
    2,769.75/3,822.27 = 1,590.81/x
  3. Step 3: Cross multiply
    2,769.75x = 3,822.27 × 1,590.81
  4. Step 4: Simplify right side
    2,769.75x = 6,080,505.34
  5. Step 5: Solve for x
    x = 6,080,505.34/2,769.75
  6. Step 6: Final answer
    x = 2,195.33

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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.