Home / 3,009.28-4,149.01-1,945.25

Finding the Fourth Proportional to 3,009.28, 4,149.01 and 1,945.25

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Solution

The fourth proportional to 3,009.28, 4,149.01 and 1,945.25 is: 2,681.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.28 : 4,149.01 = 1,945.25 : x
  2. Step 2: Convert to fraction form
    3,009.28/4,149.01 = 1,945.25/x
  3. Step 3: Cross multiply
    3,009.28x = 4,149.01 × 1,945.25
  4. Step 4: Simplify right side
    3,009.28x = 8,070,861.70
  5. Step 5: Solve for x
    x = 8,070,861.70/3,009.28
  6. Step 6: Final answer
    x = 2,681.99

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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.