Home / 2,845.18-3,924.66-1,725.22

Finding the Fourth Proportional to 2,845.18, 3,924.66 and 1,725.22

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Solution

The fourth proportional to 2,845.18, 3,924.66 and 1,725.22 is: 2,379.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.18 : 3,924.66 = 1,725.22 : x
  2. Step 2: Convert to fraction form
    2,845.18/3,924.66 = 1,725.22/x
  3. Step 3: Cross multiply
    2,845.18x = 3,924.66 × 1,725.22
  4. Step 4: Simplify right side
    2,845.18x = 6,770,901.93
  5. Step 5: Solve for x
    x = 6,770,901.93/2,845.18
  6. Step 6: Final answer
    x = 2,379.78

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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.