Home / 3,661.80-5,495.26-1,355.24

Finding the Fourth Proportional to 3,661.80, 5,495.26 and 1,355.24

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Solution

The fourth proportional to 3,661.80, 5,495.26 and 1,355.24 is: 2,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.80 : 5,495.26 = 1,355.24 : x
  2. Step 2: Convert to fraction form
    3,661.80/5,495.26 = 1,355.24/x
  3. Step 3: Cross multiply
    3,661.80x = 5,495.26 × 1,355.24
  4. Step 4: Simplify right side
    3,661.80x = 7,447,396.16
  5. Step 5: Solve for x
    x = 7,447,396.16/3,661.80
  6. Step 6: Final answer
    x = 2,033.81

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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.