Home / 2,039.14-2,814-1,107.64

Finding the Fourth Proportional to 2,039.14, 2,814 and 1,107.64

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Solution

The fourth proportional to 2,039.14, 2,814 and 1,107.64 is: 1,528.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.14 : 2,814 = 1,107.64 : x
  2. Step 2: Convert to fraction form
    2,039.14/2,814 = 1,107.64/x
  3. Step 3: Cross multiply
    2,039.14x = 2,814 × 1,107.64
  4. Step 4: Simplify right side
    2,039.14x = 3,116,898.96
  5. Step 5: Solve for x
    x = 3,116,898.96/2,039.14
  6. Step 6: Final answer
    x = 1,528.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.