Home / 1,694.28-2,539.56-1,109.04

Finding the Fourth Proportional to 1,694.28, 2,539.56 and 1,109.04

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Solution

The fourth proportional to 1,694.28, 2,539.56 and 1,109.04 is: 1,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.28 : 2,539.56 = 1,109.04 : x
  2. Step 2: Convert to fraction form
    1,694.28/2,539.56 = 1,109.04/x
  3. Step 3: Cross multiply
    1,694.28x = 2,539.56 × 1,109.04
  4. Step 4: Simplify right side
    1,694.28x = 2,816,473.62
  5. Step 5: Solve for x
    x = 2,816,473.62/1,694.28
  6. Step 6: Final answer
    x = 1,662.34

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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.