Home / 3,622.58-5,433.78-1,157.36

Finding the Fourth Proportional to 3,622.58, 5,433.78 and 1,157.36

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Solution

The fourth proportional to 3,622.58, 5,433.78 and 1,157.36 is: 1,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.58 : 5,433.78 = 1,157.36 : x
  2. Step 2: Convert to fraction form
    3,622.58/5,433.78 = 1,157.36/x
  3. Step 3: Cross multiply
    3,622.58x = 5,433.78 × 1,157.36
  4. Step 4: Simplify right side
    3,622.58x = 6,288,839.62
  5. Step 5: Solve for x
    x = 6,288,839.62/3,622.58
  6. Step 6: Final answer
    x = 1,736.01

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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.