Home / 3,725.52-5,141.40-2,132.32

Finding the Fourth Proportional to 3,725.52, 5,141.40 and 2,132.32

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Solution

The fourth proportional to 3,725.52, 5,141.40 and 2,132.32 is: 2,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.52 : 5,141.40 = 2,132.32 : x
  2. Step 2: Convert to fraction form
    3,725.52/5,141.40 = 2,132.32/x
  3. Step 3: Cross multiply
    3,725.52x = 5,141.40 × 2,132.32
  4. Step 4: Simplify right side
    3,725.52x = 10,963,110.05
  5. Step 5: Solve for x
    x = 10,963,110.05/3,725.52
  6. Step 6: Final answer
    x = 2,942.71

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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.