Home / 3,812.75-5,261.23-2,134.07

Finding the Fourth Proportional to 3,812.75, 5,261.23 and 2,134.07

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Solution

The fourth proportional to 3,812.75, 5,261.23 and 2,134.07 is: 2,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.75 : 5,261.23 = 2,134.07 : x
  2. Step 2: Convert to fraction form
    3,812.75/5,261.23 = 2,134.07/x
  3. Step 3: Cross multiply
    3,812.75x = 5,261.23 × 2,134.07
  4. Step 4: Simplify right side
    3,812.75x = 11,227,833.11
  5. Step 5: Solve for x
    x = 11,227,833.11/3,812.75
  6. Step 6: Final answer
    x = 2,944.81

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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.