Home / 2,993.29-4,489.92-2,911.28

Finding the Fourth Proportional to 2,993.29, 4,489.92 and 2,911.28

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Solution

The fourth proportional to 2,993.29, 4,489.92 and 2,911.28 is: 4,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.29 : 4,489.92 = 2,911.28 : x
  2. Step 2: Convert to fraction form
    2,993.29/4,489.92 = 2,911.28/x
  3. Step 3: Cross multiply
    2,993.29x = 4,489.92 × 2,911.28
  4. Step 4: Simplify right side
    2,993.29x = 13,071,391.85
  5. Step 5: Solve for x
    x = 13,071,391.85/2,993.29
  6. Step 6: Final answer
    x = 4,366.90

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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.