Home / 3,338.72-5,005.96-2,928.68

Finding the Fourth Proportional to 3,338.72, 5,005.96 and 2,928.68

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Solution

The fourth proportional to 3,338.72, 5,005.96 and 2,928.68 is: 4,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.72 : 5,005.96 = 2,928.68 : x
  2. Step 2: Convert to fraction form
    3,338.72/5,005.96 = 2,928.68/x
  3. Step 3: Cross multiply
    3,338.72x = 5,005.96 × 2,928.68
  4. Step 4: Simplify right side
    3,338.72x = 14,660,854.93
  5. Step 5: Solve for x
    x = 14,660,854.93/3,338.72
  6. Step 6: Final answer
    x = 4,391.16

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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.