Home / 2,669.06-4,004.74-1,109.40

Finding the Fourth Proportional to 2,669.06, 4,004.74 and 1,109.40

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Solution

The fourth proportional to 2,669.06, 4,004.74 and 1,109.40 is: 1,664.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.06 : 4,004.74 = 1,109.40 : x
  2. Step 2: Convert to fraction form
    2,669.06/4,004.74 = 1,109.40/x
  3. Step 3: Cross multiply
    2,669.06x = 4,004.74 × 1,109.40
  4. Step 4: Simplify right side
    2,669.06x = 4,442,855.78
  5. Step 5: Solve for x
    x = 4,442,855.78/2,669.06
  6. Step 6: Final answer
    x = 1,664.58

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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.