Home / 3,189.52-4,405.62-2,438.92

Finding the Fourth Proportional to 3,189.52, 4,405.62 and 2,438.92

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Solution

The fourth proportional to 3,189.52, 4,405.62 and 2,438.92 is: 3,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.52 : 4,405.62 = 2,438.92 : x
  2. Step 2: Convert to fraction form
    3,189.52/4,405.62 = 2,438.92/x
  3. Step 3: Cross multiply
    3,189.52x = 4,405.62 × 2,438.92
  4. Step 4: Simplify right side
    3,189.52x = 10,744,954.73
  5. Step 5: Solve for x
    x = 10,744,954.73/3,189.52
  6. Step 6: Final answer
    x = 3,368.83

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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.