Home / 2,769.68-3,821.45-1,650.13

Finding the Fourth Proportional to 2,769.68, 3,821.45 and 1,650.13

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Solution

The fourth proportional to 2,769.68, 3,821.45 and 1,650.13 is: 2,276.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.68 : 3,821.45 = 1,650.13 : x
  2. Step 2: Convert to fraction form
    2,769.68/3,821.45 = 1,650.13/x
  3. Step 3: Cross multiply
    2,769.68x = 3,821.45 × 1,650.13
  4. Step 4: Simplify right side
    2,769.68x = 6,305,871.48
  5. Step 5: Solve for x
    x = 6,305,871.48/2,769.68
  6. Step 6: Final answer
    x = 2,276.75

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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.