Home / 3,490.41-4,816.79-1,998.29

Finding the Fourth Proportional to 3,490.41, 4,816.79 and 1,998.29

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Solution

The fourth proportional to 3,490.41, 4,816.79 and 1,998.29 is: 2,757.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.41 : 4,816.79 = 1,998.29 : x
  2. Step 2: Convert to fraction form
    3,490.41/4,816.79 = 1,998.29/x
  3. Step 3: Cross multiply
    3,490.41x = 4,816.79 × 1,998.29
  4. Step 4: Simplify right side
    3,490.41x = 9,625,309.21
  5. Step 5: Solve for x
    x = 9,625,309.21/3,490.41
  6. Step 6: Final answer
    x = 2,757.64

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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.