Home / 3,975.73-5,486.57-2,207.34

Finding the Fourth Proportional to 3,975.73, 5,486.57 and 2,207.34

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Solution

The fourth proportional to 3,975.73, 5,486.57 and 2,207.34 is: 3,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.73 : 5,486.57 = 2,207.34 : x
  2. Step 2: Convert to fraction form
    3,975.73/5,486.57 = 2,207.34/x
  3. Step 3: Cross multiply
    3,975.73x = 5,486.57 × 2,207.34
  4. Step 4: Simplify right side
    3,975.73x = 12,110,725.42
  5. Step 5: Solve for x
    x = 12,110,725.42/3,975.73
  6. Step 6: Final answer
    x = 3,046.16

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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.