Home / 2,757.24-3,801.78-2,057.40

Finding the Fourth Proportional to 2,757.24, 3,801.78 and 2,057.40

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Solution

The fourth proportional to 2,757.24, 3,801.78 and 2,057.40 is: 2,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.24 : 3,801.78 = 2,057.40 : x
  2. Step 2: Convert to fraction form
    2,757.24/3,801.78 = 2,057.40/x
  3. Step 3: Cross multiply
    2,757.24x = 3,801.78 × 2,057.40
  4. Step 4: Simplify right side
    2,757.24x = 7,821,782.17
  5. Step 5: Solve for x
    x = 7,821,782.17/2,757.24
  6. Step 6: Final answer
    x = 2,836.82

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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.