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Finding the Fourth Proportional to 2,989.43, 4,484.03 and 798.04

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Solution

The fourth proportional to 2,989.43, 4,484.03 and 798.04 is: 1,197.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.43 : 4,484.03 = 798.04 : x
  2. Step 2: Convert to fraction form
    2,989.43/4,484.03 = 798.04/x
  3. Step 3: Cross multiply
    2,989.43x = 4,484.03 × 798.04
  4. Step 4: Simplify right side
    2,989.43x = 3,578,412.88
  5. Step 5: Solve for x
    x = 3,578,412.88/2,989.43
  6. Step 6: Final answer
    x = 1,197.02

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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.