Home / 3,169.80-4,743.90-2,910.60

Finding the Fourth Proportional to 3,169.80, 4,743.90 and 2,910.60

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Solution

The fourth proportional to 3,169.80, 4,743.90 and 2,910.60 is: 4,355.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.80 : 4,743.90 = 2,910.60 : x
  2. Step 2: Convert to fraction form
    3,169.80/4,743.90 = 2,910.60/x
  3. Step 3: Cross multiply
    3,169.80x = 4,743.90 × 2,910.60
  4. Step 4: Simplify right side
    3,169.80x = 13,807,595.34
  5. Step 5: Solve for x
    x = 13,807,595.34/3,169.80
  6. Step 6: Final answer
    x = 4,355.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.