Home / 3,083.64-4,626.10-1,109.36

Finding the Fourth Proportional to 3,083.64, 4,626.10 and 1,109.36

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Solution

The fourth proportional to 3,083.64, 4,626.10 and 1,109.36 is: 1,664.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.64 : 4,626.10 = 1,109.36 : x
  2. Step 2: Convert to fraction form
    3,083.64/4,626.10 = 1,109.36/x
  3. Step 3: Cross multiply
    3,083.64x = 4,626.10 × 1,109.36
  4. Step 4: Simplify right side
    3,083.64x = 5,132,023.25
  5. Step 5: Solve for x
    x = 5,132,023.25/3,083.64
  6. Step 6: Final answer
    x = 1,664.28

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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.