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Finding the Fourth Proportional to 2,843.28, 4,264.92 and 994.46

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Solution

The fourth proportional to 2,843.28, 4,264.92 and 994.46 is: 1,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.28 : 4,264.92 = 994.46 : x
  2. Step 2: Convert to fraction form
    2,843.28/4,264.92 = 994.46/x
  3. Step 3: Cross multiply
    2,843.28x = 4,264.92 × 994.46
  4. Step 4: Simplify right side
    2,843.28x = 4,241,271.02
  5. Step 5: Solve for x
    x = 4,241,271.02/2,843.28
  6. Step 6: Final answer
    x = 1,491.68

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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.