Home / 3,635.03-5,453.23-1,785.65

Finding the Fourth Proportional to 3,635.03, 5,453.23 and 1,785.65

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Solution

The fourth proportional to 3,635.03, 5,453.23 and 1,785.65 is: 2,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.03 : 5,453.23 = 1,785.65 : x
  2. Step 2: Convert to fraction form
    3,635.03/5,453.23 = 1,785.65/x
  3. Step 3: Cross multiply
    3,635.03x = 5,453.23 × 1,785.65
  4. Step 4: Simplify right side
    3,635.03x = 9,737,569.32
  5. Step 5: Solve for x
    x = 9,737,569.32/3,635.03
  6. Step 6: Final answer
    x = 2,678.81

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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.