Home / 3,367.90-4,647.54-2,171.53

Finding the Fourth Proportional to 3,367.90, 4,647.54 and 2,171.53

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Solution

The fourth proportional to 3,367.90, 4,647.54 and 2,171.53 is: 2,996.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.90 : 4,647.54 = 2,171.53 : x
  2. Step 2: Convert to fraction form
    3,367.90/4,647.54 = 2,171.53/x
  3. Step 3: Cross multiply
    3,367.90x = 4,647.54 × 2,171.53
  4. Step 4: Simplify right side
    3,367.90x = 10,092,272.54
  5. Step 5: Solve for x
    x = 10,092,272.54/3,367.90
  6. Step 6: Final answer
    x = 2,996.61

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1.5x scale

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.