Home / 2,745.55-3,788.85-1,566.55

Finding the Fourth Proportional to 2,745.55, 3,788.85 and 1,566.55

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Solution

The fourth proportional to 2,745.55, 3,788.85 and 1,566.55 is: 2,161.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.55 : 3,788.85 = 1,566.55 : x
  2. Step 2: Convert to fraction form
    2,745.55/3,788.85 = 1,566.55/x
  3. Step 3: Cross multiply
    2,745.55x = 3,788.85 × 1,566.55
  4. Step 4: Simplify right side
    2,745.55x = 5,935,422.97
  5. Step 5: Solve for x
    x = 5,935,422.97/2,745.55
  6. Step 6: Final answer
    x = 2,161.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.