Home / 4,171.40-5,754.48-2,757.56

Finding the Fourth Proportional to 4,171.40, 5,754.48 and 2,757.56

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Solution

The fourth proportional to 4,171.40, 5,754.48 and 2,757.56 is: 3,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.40 : 5,754.48 = 2,757.56 : x
  2. Step 2: Convert to fraction form
    4,171.40/5,754.48 = 2,757.56/x
  3. Step 3: Cross multiply
    4,171.40x = 5,754.48 × 2,757.56
  4. Step 4: Simplify right side
    4,171.40x = 15,868,323.87
  5. Step 5: Solve for x
    x = 15,868,323.87/4,171.40
  6. Step 6: Final answer
    x = 3,804.08

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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.