Home / 1,846.33-2,769.41-547.79

Finding the Fourth Proportional to 1,846.33, 2,769.41 and 547.79

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Solution

The fourth proportional to 1,846.33, 2,769.41 and 547.79 is: 821.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.33 : 2,769.41 = 547.79 : x
  2. Step 2: Convert to fraction form
    1,846.33/2,769.41 = 547.79/x
  3. Step 3: Cross multiply
    1,846.33x = 2,769.41 × 547.79
  4. Step 4: Simplify right side
    1,846.33x = 1,517,042.63
  5. Step 5: Solve for x
    x = 1,517,042.63/1,846.33
  6. Step 6: Final answer
    x = 821.65

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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.