Home / 3,812.89-5,262.11-2,134.46

Finding the Fourth Proportional to 3,812.89, 5,262.11 and 2,134.46

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Solution

The fourth proportional to 3,812.89, 5,262.11 and 2,134.46 is: 2,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.89 : 5,262.11 = 2,134.46 : x
  2. Step 2: Convert to fraction form
    3,812.89/5,262.11 = 2,134.46/x
  3. Step 3: Cross multiply
    3,812.89x = 5,262.11 × 2,134.46
  4. Step 4: Simplify right side
    3,812.89x = 11,231,763.31
  5. Step 5: Solve for x
    x = 11,231,763.31/3,812.89
  6. Step 6: Final answer
    x = 2,945.73

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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.