Home / 2,022.50-2,791.08-1,236.38

Finding the Fourth Proportional to 2,022.50, 2,791.08 and 1,236.38

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Solution

The fourth proportional to 2,022.50, 2,791.08 and 1,236.38 is: 1,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.50 : 2,791.08 = 1,236.38 : x
  2. Step 2: Convert to fraction form
    2,022.50/2,791.08 = 1,236.38/x
  3. Step 3: Cross multiply
    2,022.50x = 2,791.08 × 1,236.38
  4. Step 4: Simplify right side
    2,022.50x = 3,450,835.49
  5. Step 5: Solve for x
    x = 3,450,835.49/2,022.50
  6. Step 6: Final answer
    x = 1,706.22

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1.5x scale

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.