Home / 2,933.25-4,047.90-2,187.87

Finding the Fourth Proportional to 2,933.25, 4,047.90 and 2,187.87

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Solution

The fourth proportional to 2,933.25, 4,047.90 and 2,187.87 is: 3,019.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.25 : 4,047.90 = 2,187.87 : x
  2. Step 2: Convert to fraction form
    2,933.25/4,047.90 = 2,187.87/x
  3. Step 3: Cross multiply
    2,933.25x = 4,047.90 × 2,187.87
  4. Step 4: Simplify right side
    2,933.25x = 8,856,278.97
  5. Step 5: Solve for x
    x = 8,856,278.97/2,933.25
  6. Step 6: Final answer
    x = 3,019.27

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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.