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Finding the Fourth Proportional to 1,884.42, 2,825.49 and 844.23

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Solution

The fourth proportional to 1,884.42, 2,825.49 and 844.23 is: 1,265.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.42 : 2,825.49 = 844.23 : x
  2. Step 2: Convert to fraction form
    1,884.42/2,825.49 = 844.23/x
  3. Step 3: Cross multiply
    1,884.42x = 2,825.49 × 844.23
  4. Step 4: Simplify right side
    1,884.42x = 2,385,359.20
  5. Step 5: Solve for x
    x = 2,385,359.20/1,884.42
  6. Step 6: Final answer
    x = 1,265.83

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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.