Home / 3,490.43-4,816.73-1,998.27

Finding the Fourth Proportional to 3,490.43, 4,816.73 and 1,998.27

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Solution

The fourth proportional to 3,490.43, 4,816.73 and 1,998.27 is: 2,757.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.43 : 4,816.73 = 1,998.27 : x
  2. Step 2: Convert to fraction form
    3,490.43/4,816.73 = 1,998.27/x
  3. Step 3: Cross multiply
    3,490.43x = 4,816.73 × 1,998.27
  4. Step 4: Simplify right side
    3,490.43x = 9,625,132.05
  5. Step 5: Solve for x
    x = 9,625,132.05/3,490.43
  6. Step 6: Final answer
    x = 2,757.58

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Half scale
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Double scale
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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.