Home / 2,998.08-4,137.20-1,671.53

Finding the Fourth Proportional to 2,998.08, 4,137.20 and 1,671.53

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Solution

The fourth proportional to 2,998.08, 4,137.20 and 1,671.53 is: 2,306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.08 : 4,137.20 = 1,671.53 : x
  2. Step 2: Convert to fraction form
    2,998.08/4,137.20 = 1,671.53/x
  3. Step 3: Cross multiply
    2,998.08x = 4,137.20 × 1,671.53
  4. Step 4: Simplify right side
    2,998.08x = 6,915,424.87
  5. Step 5: Solve for x
    x = 6,915,424.87/2,998.08
  6. Step 6: Final answer
    x = 2,306.62

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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.