Home / 3,176.26-4,383.52-1,779

Finding the Fourth Proportional to 3,176.26, 4,383.52 and 1,779

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Solution

The fourth proportional to 3,176.26, 4,383.52 and 1,779 is: 2,455.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.26 : 4,383.52 = 1,779 : x
  2. Step 2: Convert to fraction form
    3,176.26/4,383.52 = 1,779/x
  3. Step 3: Cross multiply
    3,176.26x = 4,383.52 × 1,779
  4. Step 4: Simplify right side
    3,176.26x = 7,798,282.08
  5. Step 5: Solve for x
    x = 7,798,282.08/3,176.26
  6. Step 6: Final answer
    x = 2,455.18

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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.