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Finding the Fourth Proportional to 3,034.65, 4,552.20 and 843.55

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Solution

The fourth proportional to 3,034.65, 4,552.20 and 843.55 is: 1,265.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.65 : 4,552.20 = 843.55 : x
  2. Step 2: Convert to fraction form
    3,034.65/4,552.20 = 843.55/x
  3. Step 3: Cross multiply
    3,034.65x = 4,552.20 × 843.55
  4. Step 4: Simplify right side
    3,034.65x = 3,839,996.93
  5. Step 5: Solve for x
    x = 3,839,996.93/3,034.65
  6. Step 6: Final answer
    x = 1,265.38

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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.