Home / 2,769.70-3,821.96-1,590.52

Finding the Fourth Proportional to 2,769.70, 3,821.96 and 1,590.52

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Solution

The fourth proportional to 2,769.70, 3,821.96 and 1,590.52 is: 2,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.70 : 3,821.96 = 1,590.52 : x
  2. Step 2: Convert to fraction form
    2,769.70/3,821.96 = 1,590.52/x
  3. Step 3: Cross multiply
    2,769.70x = 3,821.96 × 1,590.52
  4. Step 4: Simplify right side
    2,769.70x = 6,078,903.82
  5. Step 5: Solve for x
    x = 6,078,903.82/2,769.70
  6. Step 6: Final answer
    x = 2,194.79

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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.