Home / 3,633.28-5,453.33-1,785.72

Finding the Fourth Proportional to 3,633.28, 5,453.33 and 1,785.72

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Solution

The fourth proportional to 3,633.28, 5,453.33 and 1,785.72 is: 2,680.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.28 : 5,453.33 = 1,785.72 : x
  2. Step 2: Convert to fraction form
    3,633.28/5,453.33 = 1,785.72/x
  3. Step 3: Cross multiply
    3,633.28x = 5,453.33 × 1,785.72
  4. Step 4: Simplify right side
    3,633.28x = 9,738,131.97
  5. Step 5: Solve for x
    x = 9,738,131.97/3,633.28
  6. Step 6: Final answer
    x = 2,680.26

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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.