Home / 2,759.24-4,137.71-1,115.35

Finding the Fourth Proportional to 2,759.24, 4,137.71 and 1,115.35

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Solution

The fourth proportional to 2,759.24, 4,137.71 and 1,115.35 is: 1,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.24 : 4,137.71 = 1,115.35 : x
  2. Step 2: Convert to fraction form
    2,759.24/4,137.71 = 1,115.35/x
  3. Step 3: Cross multiply
    2,759.24x = 4,137.71 × 1,115.35
  4. Step 4: Simplify right side
    2,759.24x = 4,614,978.93
  5. Step 5: Solve for x
    x = 4,614,978.93/2,759.24
  6. Step 6: Final answer
    x = 1,672.55

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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.