Home / 3,169.72-4,374.16-1,843.35

Finding the Fourth Proportional to 3,169.72, 4,374.16 and 1,843.35

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Solution

The fourth proportional to 3,169.72, 4,374.16 and 1,843.35 is: 2,543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.72 : 4,374.16 = 1,843.35 : x
  2. Step 2: Convert to fraction form
    3,169.72/4,374.16 = 1,843.35/x
  3. Step 3: Cross multiply
    3,169.72x = 4,374.16 × 1,843.35
  4. Step 4: Simplify right side
    3,169.72x = 8,063,107.84
  5. Step 5: Solve for x
    x = 8,063,107.84/3,169.72
  6. Step 6: Final answer
    x = 2,543.79

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1.5x scale

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.