Home / 2,725.19-4,087.98-1,636.55

Finding the Fourth Proportional to 2,725.19, 4,087.98 and 1,636.55

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Solution

The fourth proportional to 2,725.19, 4,087.98 and 1,636.55 is: 2,454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.19 : 4,087.98 = 1,636.55 : x
  2. Step 2: Convert to fraction form
    2,725.19/4,087.98 = 1,636.55/x
  3. Step 3: Cross multiply
    2,725.19x = 4,087.98 × 1,636.55
  4. Step 4: Simplify right side
    2,725.19x = 6,690,183.67
  5. Step 5: Solve for x
    x = 6,690,183.67/2,725.19
  6. Step 6: Final answer
    x = 2,454.94

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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.