Home / 3,634.11-5,451.69-1,785.33

Finding the Fourth Proportional to 3,634.11, 5,451.69 and 1,785.33

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Solution

The fourth proportional to 3,634.11, 5,451.69 and 1,785.33 is: 2,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.11 : 5,451.69 = 1,785.33 : x
  2. Step 2: Convert to fraction form
    3,634.11/5,451.69 = 1,785.33/x
  3. Step 3: Cross multiply
    3,634.11x = 5,451.69 × 1,785.33
  4. Step 4: Simplify right side
    3,634.11x = 9,733,065.71
  5. Step 5: Solve for x
    x = 9,733,065.71/3,634.11
  6. Step 6: Final answer
    x = 2,678.25

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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.