Home / 2,991.15-4,496.45-2,976.57

Finding the Fourth Proportional to 2,991.15, 4,496.45 and 2,976.57

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Solution

The fourth proportional to 2,991.15, 4,496.45 and 2,976.57 is: 4,474.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.15 : 4,496.45 = 2,976.57 : x
  2. Step 2: Convert to fraction form
    2,991.15/4,496.45 = 2,976.57/x
  3. Step 3: Cross multiply
    2,991.15x = 4,496.45 × 2,976.57
  4. Step 4: Simplify right side
    2,991.15x = 13,383,983.29
  5. Step 5: Solve for x
    x = 13,383,983.29/2,991.15
  6. Step 6: Final answer
    x = 4,474.53

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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.