Home / 2,765.00-4,148.28-1,377.97

Finding the Fourth Proportional to 2,765.00, 4,148.28 and 1,377.97

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Solution

The fourth proportional to 2,765.00, 4,148.28 and 1,377.97 is: 2,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.00 : 4,148.28 = 1,377.97 : x
  2. Step 2: Convert to fraction form
    2,765.00/4,148.28 = 1,377.97/x
  3. Step 3: Cross multiply
    2,765.00x = 4,148.28 × 1,377.97
  4. Step 4: Simplify right side
    2,765.00x = 5,716,195.02
  5. Step 5: Solve for x
    x = 5,716,195.02/2,765.00
  6. Step 6: Final answer
    x = 2,067.34

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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.