Home / 2,998.29-4,137.60-1,672.11

Finding the Fourth Proportional to 2,998.29, 4,137.60 and 1,672.11

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Solution

The fourth proportional to 2,998.29, 4,137.60 and 1,672.11 is: 2,307.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.29 : 4,137.60 = 1,672.11 : x
  2. Step 2: Convert to fraction form
    2,998.29/4,137.60 = 1,672.11/x
  3. Step 3: Cross multiply
    2,998.29x = 4,137.60 × 1,672.11
  4. Step 4: Simplify right side
    2,998.29x = 6,918,522.34
  5. Step 5: Solve for x
    x = 6,918,522.34/2,998.29
  6. Step 6: Final answer
    x = 2,307.49

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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.