Home / 3,812.56-5,261.04-2,133.84

Finding the Fourth Proportional to 3,812.56, 5,261.04 and 2,133.84

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Solution

The fourth proportional to 3,812.56, 5,261.04 and 2,133.84 is: 2,944.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.56 : 5,261.04 = 2,133.84 : x
  2. Step 2: Convert to fraction form
    3,812.56/5,261.04 = 2,133.84/x
  3. Step 3: Cross multiply
    3,812.56x = 5,261.04 × 2,133.84
  4. Step 4: Simplify right side
    3,812.56x = 11,226,217.59
  5. Step 5: Solve for x
    x = 11,226,217.59/3,812.56
  6. Step 6: Final answer
    x = 2,944.54

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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.