Home / 1,769.28-2,650.82-1,182.84

Finding the Fourth Proportional to 1,769.28, 2,650.82 and 1,182.84

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Solution

The fourth proportional to 1,769.28, 2,650.82 and 1,182.84 is: 1,772.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.28 : 2,650.82 = 1,182.84 : x
  2. Step 2: Convert to fraction form
    1,769.28/2,650.82 = 1,182.84/x
  3. Step 3: Cross multiply
    1,769.28x = 2,650.82 × 1,182.84
  4. Step 4: Simplify right side
    1,769.28x = 3,135,490.01
  5. Step 5: Solve for x
    x = 3,135,490.01/1,769.28
  6. Step 6: Final answer
    x = 1,772.18

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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.