Home / 3,833.66-5,290.89-2,132.34

Finding the Fourth Proportional to 3,833.66, 5,290.89 and 2,132.34

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Solution

The fourth proportional to 3,833.66, 5,290.89 and 2,132.34 is: 2,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.66 : 5,290.89 = 2,132.34 : x
  2. Step 2: Convert to fraction form
    3,833.66/5,290.89 = 2,132.34/x
  3. Step 3: Cross multiply
    3,833.66x = 5,290.89 × 2,132.34
  4. Step 4: Simplify right side
    3,833.66x = 11,281,956.54
  5. Step 5: Solve for x
    x = 11,281,956.54/3,833.66
  6. Step 6: Final answer
    x = 2,942.87

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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.