Home / 2,725.79-4,083.53-1,611.87

Finding the Fourth Proportional to 2,725.79, 4,083.53 and 1,611.87

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Solution

The fourth proportional to 2,725.79, 4,083.53 and 1,611.87 is: 2,414.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.79 : 4,083.53 = 1,611.87 : x
  2. Step 2: Convert to fraction form
    2,725.79/4,083.53 = 1,611.87/x
  3. Step 3: Cross multiply
    2,725.79x = 4,083.53 × 1,611.87
  4. Step 4: Simplify right side
    2,725.79x = 6,582,111.44
  5. Step 5: Solve for x
    x = 6,582,111.44/2,725.79
  6. Step 6: Final answer
    x = 2,414.75

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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.