Home / 2,745.51-4,112.76-1,772.28

Finding the Fourth Proportional to 2,745.51, 4,112.76 and 1,772.28

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Solution

The fourth proportional to 2,745.51, 4,112.76 and 1,772.28 is: 2,654.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.51 : 4,112.76 = 1,772.28 : x
  2. Step 2: Convert to fraction form
    2,745.51/4,112.76 = 1,772.28/x
  3. Step 3: Cross multiply
    2,745.51x = 4,112.76 × 1,772.28
  4. Step 4: Simplify right side
    2,745.51x = 7,288,962.29
  5. Step 5: Solve for x
    x = 7,288,962.29/2,745.51
  6. Step 6: Final answer
    x = 2,654.87

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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.