Home / 2,998.17-4,137.39-1,739.15

Finding the Fourth Proportional to 2,998.17, 4,137.39 and 1,739.15

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Solution

The fourth proportional to 2,998.17, 4,137.39 and 1,739.15 is: 2,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.17 : 4,137.39 = 1,739.15 : x
  2. Step 2: Convert to fraction form
    2,998.17/4,137.39 = 1,739.15/x
  3. Step 3: Cross multiply
    2,998.17x = 4,137.39 × 1,739.15
  4. Step 4: Simplify right side
    2,998.17x = 7,195,521.13
  5. Step 5: Solve for x
    x = 7,195,521.13/2,998.17
  6. Step 6: Final answer
    x = 2,399.97

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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.