Home / 1,844.38-2,765.54-611.46

Finding the Fourth Proportional to 1,844.38, 2,765.54 and 611.46

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Solution

The fourth proportional to 1,844.38, 2,765.54 and 611.46 is: 916.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.38 : 2,765.54 = 611.46 : x
  2. Step 2: Convert to fraction form
    1,844.38/2,765.54 = 611.46/x
  3. Step 3: Cross multiply
    1,844.38x = 2,765.54 × 611.46
  4. Step 4: Simplify right side
    1,844.38x = 1,691,017.09
  5. Step 5: Solve for x
    x = 1,691,017.09/1,844.38
  6. Step 6: Final answer
    x = 916.85

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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.