Home / 3,436.66-5,150.40-1,789.75

Finding the Fourth Proportional to 3,436.66, 5,150.40 and 1,789.75

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Solution

The fourth proportional to 3,436.66, 5,150.40 and 1,789.75 is: 2,682.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.66 : 5,150.40 = 1,789.75 : x
  2. Step 2: Convert to fraction form
    3,436.66/5,150.40 = 1,789.75/x
  3. Step 3: Cross multiply
    3,436.66x = 5,150.40 × 1,789.75
  4. Step 4: Simplify right side
    3,436.66x = 9,217,928.40
  5. Step 5: Solve for x
    x = 9,217,928.40/3,436.66
  6. Step 6: Final answer
    x = 2,682.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.