Home / 2,078.88-2,869.92-1,704.96

Finding the Fourth Proportional to 2,078.88, 2,869.92 and 1,704.96

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Solution

The fourth proportional to 2,078.88, 2,869.92 and 1,704.96 is: 2,353.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078.88 : 2,869.92 = 1,704.96 : x
  2. Step 2: Convert to fraction form
    2,078.88/2,869.92 = 1,704.96/x
  3. Step 3: Cross multiply
    2,078.88x = 2,869.92 × 1,704.96
  4. Step 4: Simplify right side
    2,078.88x = 4,893,098.80
  5. Step 5: Solve for x
    x = 4,893,098.80/2,078.88
  6. Step 6: Final answer
    x = 2,353.72

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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.