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Finding the Fourth Proportional to 3,489.66, 4,816.05 and 1,998.06

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Solution

The fourth proportional to 3,489.66, 4,816.05 and 1,998.06 is: 2,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.66 : 4,816.05 = 1,998.06 : x
  2. Step 2: Convert to fraction form
    3,489.66/4,816.05 = 1,998.06/x
  3. Step 3: Cross multiply
    3,489.66x = 4,816.05 × 1,998.06
  4. Step 4: Simplify right side
    3,489.66x = 9,622,756.86
  5. Step 5: Solve for x
    x = 9,622,756.86/3,489.66
  6. Step 6: Final answer
    x = 2,757.51

Related Problems

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.