Home / 3,725.48-5,142.20-2,133.02

Finding the Fourth Proportional to 3,725.48, 5,142.20 and 2,133.02

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Solution

The fourth proportional to 3,725.48, 5,142.20 and 2,133.02 is: 2,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.48 : 5,142.20 = 2,133.02 : x
  2. Step 2: Convert to fraction form
    3,725.48/5,142.20 = 2,133.02/x
  3. Step 3: Cross multiply
    3,725.48x = 5,142.20 × 2,133.02
  4. Step 4: Simplify right side
    3,725.48x = 10,968,415.44
  5. Step 5: Solve for x
    x = 10,968,415.44/3,725.48
  6. Step 6: Final answer
    x = 2,944.16

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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.