Home / 2,015.91-3,022.65-1,138.02

Finding the Fourth Proportional to 2,015.91, 3,022.65 and 1,138.02

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Solution

The fourth proportional to 2,015.91, 3,022.65 and 1,138.02 is: 1,706.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.91 : 3,022.65 = 1,138.02 : x
  2. Step 2: Convert to fraction form
    2,015.91/3,022.65 = 1,138.02/x
  3. Step 3: Cross multiply
    2,015.91x = 3,022.65 × 1,138.02
  4. Step 4: Simplify right side
    2,015.91x = 3,439,836.15
  5. Step 5: Solve for x
    x = 3,439,836.15/2,015.91
  6. Step 6: Final answer
    x = 1,706.34

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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.