Home / 1,995.87-2,753.58-1,333.16

Finding the Fourth Proportional to 1,995.87, 2,753.58 and 1,333.16

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Solution

The fourth proportional to 1,995.87, 2,753.58 and 1,333.16 is: 1,839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.87 : 2,753.58 = 1,333.16 : x
  2. Step 2: Convert to fraction form
    1,995.87/2,753.58 = 1,333.16/x
  3. Step 3: Cross multiply
    1,995.87x = 2,753.58 × 1,333.16
  4. Step 4: Simplify right side
    1,995.87x = 3,670,942.28
  5. Step 5: Solve for x
    x = 3,670,942.28/1,995.87
  6. Step 6: Final answer
    x = 1,839.27

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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.