Home / 2,669.74-4,005.26-1,109.27

Finding the Fourth Proportional to 2,669.74, 4,005.26 and 1,109.27

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Solution

The fourth proportional to 2,669.74, 4,005.26 and 1,109.27 is: 1,664.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.74 : 4,005.26 = 1,109.27 : x
  2. Step 2: Convert to fraction form
    2,669.74/4,005.26 = 1,109.27/x
  3. Step 3: Cross multiply
    2,669.74x = 4,005.26 × 1,109.27
  4. Step 4: Simplify right side
    2,669.74x = 4,442,914.76
  5. Step 5: Solve for x
    x = 4,442,914.76/2,669.74
  6. Step 6: Final answer
    x = 1,664.18

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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.