Home / 2,914.08-4,022.32-1,983.12

Finding the Fourth Proportional to 2,914.08, 4,022.32 and 1,983.12

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Solution

The fourth proportional to 2,914.08, 4,022.32 and 1,983.12 is: 2,737.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.08 : 4,022.32 = 1,983.12 : x
  2. Step 2: Convert to fraction form
    2,914.08/4,022.32 = 1,983.12/x
  3. Step 3: Cross multiply
    2,914.08x = 4,022.32 × 1,983.12
  4. Step 4: Simplify right side
    2,914.08x = 7,976,743.24
  5. Step 5: Solve for x
    x = 7,976,743.24/2,914.08
  6. Step 6: Final answer
    x = 2,737.31

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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.