Home / 3,168.71-4,374.53-1,910.03

Finding the Fourth Proportional to 3,168.71, 4,374.53 and 1,910.03

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Solution

The fourth proportional to 3,168.71, 4,374.53 and 1,910.03 is: 2,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.71 : 4,374.53 = 1,910.03 : x
  2. Step 2: Convert to fraction form
    3,168.71/4,374.53 = 1,910.03/x
  3. Step 3: Cross multiply
    3,168.71x = 4,374.53 × 1,910.03
  4. Step 4: Simplify right side
    3,168.71x = 8,355,452.11
  5. Step 5: Solve for x
    x = 8,355,452.11/3,168.71
  6. Step 6: Final answer
    x = 2,636.87

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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.