Home / 2,779-3,835.08-1,599.88

Finding the Fourth Proportional to 2,779, 3,835.08 and 1,599.88

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Solution

The fourth proportional to 2,779, 3,835.08 and 1,599.88 is: 2,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779 : 3,835.08 = 1,599.88 : x
  2. Step 2: Convert to fraction form
    2,779/3,835.08 = 1,599.88/x
  3. Step 3: Cross multiply
    2,779x = 3,835.08 × 1,599.88
  4. Step 4: Simplify right side
    2,779x = 6,135,667.79
  5. Step 5: Solve for x
    x = 6,135,667.79/2,779
  6. Step 6: Final answer
    x = 2,207.87

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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.