Home / 2,109.23-3,160.99-1,169.96

Finding the Fourth Proportional to 2,109.23, 3,160.99 and 1,169.96

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Solution

The fourth proportional to 2,109.23, 3,160.99 and 1,169.96 is: 1,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109.23 : 3,160.99 = 1,169.96 : x
  2. Step 2: Convert to fraction form
    2,109.23/3,160.99 = 1,169.96/x
  3. Step 3: Cross multiply
    2,109.23x = 3,160.99 × 1,169.96
  4. Step 4: Simplify right side
    2,109.23x = 3,698,230.36
  5. Step 5: Solve for x
    x = 3,698,230.36/2,109.23
  6. Step 6: Final answer
    x = 1,753.35

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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.