Home / 3,622.69-5,433.91-1,157.65

Finding the Fourth Proportional to 3,622.69, 5,433.91 and 1,157.65

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Solution

The fourth proportional to 3,622.69, 5,433.91 and 1,157.65 is: 1,736.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.69 : 5,433.91 = 1,157.65 : x
  2. Step 2: Convert to fraction form
    3,622.69/5,433.91 = 1,157.65/x
  3. Step 3: Cross multiply
    3,622.69x = 5,433.91 × 1,157.65
  4. Step 4: Simplify right side
    3,622.69x = 6,290,565.91
  5. Step 5: Solve for x
    x = 6,290,565.91/3,622.69
  6. Step 6: Final answer
    x = 1,736.44

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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.