Home / 2,057.72-2,839.66-1,126.22

Finding the Fourth Proportional to 2,057.72, 2,839.66 and 1,126.22

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Solution

The fourth proportional to 2,057.72, 2,839.66 and 1,126.22 is: 1,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.72 : 2,839.66 = 1,126.22 : x
  2. Step 2: Convert to fraction form
    2,057.72/2,839.66 = 1,126.22/x
  3. Step 3: Cross multiply
    2,057.72x = 2,839.66 × 1,126.22
  4. Step 4: Simplify right side
    2,057.72x = 3,198,086.17
  5. Step 5: Solve for x
    x = 3,198,086.17/2,057.72
  6. Step 6: Final answer
    x = 1,554.19

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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.