Home / 2,531.72-3,797.58-1,069.85

Finding the Fourth Proportional to 2,531.72, 3,797.58 and 1,069.85

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Solution

The fourth proportional to 2,531.72, 3,797.58 and 1,069.85 is: 1,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.72 : 3,797.58 = 1,069.85 : x
  2. Step 2: Convert to fraction form
    2,531.72/3,797.58 = 1,069.85/x
  3. Step 3: Cross multiply
    2,531.72x = 3,797.58 × 1,069.85
  4. Step 4: Simplify right side
    2,531.72x = 4,062,840.96
  5. Step 5: Solve for x
    x = 4,062,840.96/2,531.72
  6. Step 6: Final answer
    x = 1,604.78

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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.