Home / 3,636.24-5,453.42-1,171.35

Finding the Fourth Proportional to 3,636.24, 5,453.42 and 1,171.35

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Solution

The fourth proportional to 3,636.24, 5,453.42 and 1,171.35 is: 1,756.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.24 : 5,453.42 = 1,171.35 : x
  2. Step 2: Convert to fraction form
    3,636.24/5,453.42 = 1,171.35/x
  3. Step 3: Cross multiply
    3,636.24x = 5,453.42 × 1,171.35
  4. Step 4: Simplify right side
    3,636.24x = 6,387,857.66
  5. Step 5: Solve for x
    x = 6,387,857.66/3,636.24
  6. Step 6: Final answer
    x = 1,756.72

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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.