Home / 3,754.26-5,629.56-1,288.26

Finding the Fourth Proportional to 3,754.26, 5,629.56 and 1,288.26

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Solution

The fourth proportional to 3,754.26, 5,629.56 and 1,288.26 is: 1,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.26 : 5,629.56 = 1,288.26 : x
  2. Step 2: Convert to fraction form
    3,754.26/5,629.56 = 1,288.26/x
  3. Step 3: Cross multiply
    3,754.26x = 5,629.56 × 1,288.26
  4. Step 4: Simplify right side
    3,754.26x = 7,252,336.97
  5. Step 5: Solve for x
    x = 7,252,336.97/3,754.26
  6. Step 6: Final answer
    x = 1,931.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.