Home / 3,725.33-5,141.07-2,153.43

Finding the Fourth Proportional to 3,725.33, 5,141.07 and 2,153.43

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Solution

The fourth proportional to 3,725.33, 5,141.07 and 2,153.43 is: 2,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.33 : 5,141.07 = 2,153.43 : x
  2. Step 2: Convert to fraction form
    3,725.33/5,141.07 = 2,153.43/x
  3. Step 3: Cross multiply
    3,725.33x = 5,141.07 × 2,153.43
  4. Step 4: Simplify right side
    3,725.33x = 11,070,908.66
  5. Step 5: Solve for x
    x = 11,070,908.66/3,725.33
  6. Step 6: Final answer
    x = 2,971.80

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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.