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Finding the Fourth Proportional to 2,964.43, 4,446.90 and 884.30

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Solution

The fourth proportional to 2,964.43, 4,446.90 and 884.30 is: 1,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.43 : 4,446.90 = 884.30 : x
  2. Step 2: Convert to fraction form
    2,964.43/4,446.90 = 884.30/x
  3. Step 3: Cross multiply
    2,964.43x = 4,446.90 × 884.30
  4. Step 4: Simplify right side
    2,964.43x = 3,932,378.13
  5. Step 5: Solve for x
    x = 3,932,378.13/2,964.43
  6. Step 6: Final answer
    x = 1,326.52

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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.