Home / 3,619.43-5,425.67-1,152.89

Finding the Fourth Proportional to 3,619.43, 5,425.67 and 1,152.89

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Solution

The fourth proportional to 3,619.43, 5,425.67 and 1,152.89 is: 1,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.43 : 5,425.67 = 1,152.89 : x
  2. Step 2: Convert to fraction form
    3,619.43/5,425.67 = 1,152.89/x
  3. Step 3: Cross multiply
    3,619.43x = 5,425.67 × 1,152.89
  4. Step 4: Simplify right side
    3,619.43x = 6,255,176.44
  5. Step 5: Solve for x
    x = 6,255,176.44/3,619.43
  6. Step 6: Final answer
    x = 1,728.22

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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.