Home / 3,812.59-5,261.62-2,133.90

Finding the Fourth Proportional to 3,812.59, 5,261.62 and 2,133.90

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Solution

The fourth proportional to 3,812.59, 5,261.62 and 2,133.90 is: 2,944.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.59 : 5,261.62 = 2,133.90 : x
  2. Step 2: Convert to fraction form
    3,812.59/5,261.62 = 2,133.90/x
  3. Step 3: Cross multiply
    3,812.59x = 5,261.62 × 2,133.90
  4. Step 4: Simplify right side
    3,812.59x = 11,227,770.92
  5. Step 5: Solve for x
    x = 11,227,770.92/3,812.59
  6. Step 6: Final answer
    x = 2,944.92

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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.