Home / 2,057.92-2,839.84-1,126.42

Finding the Fourth Proportional to 2,057.92, 2,839.84 and 1,126.42

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Solution

The fourth proportional to 2,057.92, 2,839.84 and 1,126.42 is: 1,554.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.92 : 2,839.84 = 1,126.42 : x
  2. Step 2: Convert to fraction form
    2,057.92/2,839.84 = 1,126.42/x
  3. Step 3: Cross multiply
    2,057.92x = 2,839.84 × 1,126.42
  4. Step 4: Simplify right side
    2,057.92x = 3,198,852.57
  5. Step 5: Solve for x
    x = 3,198,852.57/2,057.92
  6. Step 6: Final answer
    x = 1,554.41

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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.