Home / 3,169.23-4,374.69-2,385.54

Finding the Fourth Proportional to 3,169.23, 4,374.69 and 2,385.54

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Solution

The fourth proportional to 3,169.23, 4,374.69 and 2,385.54 is: 3,292.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.23 : 4,374.69 = 2,385.54 : x
  2. Step 2: Convert to fraction form
    3,169.23/4,374.69 = 2,385.54/x
  3. Step 3: Cross multiply
    3,169.23x = 4,374.69 × 2,385.54
  4. Step 4: Simplify right side
    3,169.23x = 10,435,997.98
  5. Step 5: Solve for x
    x = 10,435,997.98/3,169.23
  6. Step 6: Final answer
    x = 3,292.91

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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.