Home / 2,998.26-4,137.40-2,290.58

Finding the Fourth Proportional to 2,998.26, 4,137.40 and 2,290.58

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Solution

The fourth proportional to 2,998.26, 4,137.40 and 2,290.58 is: 3,160.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.26 : 4,137.40 = 2,290.58 : x
  2. Step 2: Convert to fraction form
    2,998.26/4,137.40 = 2,290.58/x
  3. Step 3: Cross multiply
    2,998.26x = 4,137.40 × 2,290.58
  4. Step 4: Simplify right side
    2,998.26x = 9,477,045.69
  5. Step 5: Solve for x
    x = 9,477,045.69/2,998.26
  6. Step 6: Final answer
    x = 3,160.85

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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.