Home / 3,030.34-4,171.03-2,144.60

Finding the Fourth Proportional to 3,030.34, 4,171.03 and 2,144.60

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Solution

The fourth proportional to 3,030.34, 4,171.03 and 2,144.60 is: 2,951.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.34 : 4,171.03 = 2,144.60 : x
  2. Step 2: Convert to fraction form
    3,030.34/4,171.03 = 2,144.60/x
  3. Step 3: Cross multiply
    3,030.34x = 4,171.03 × 2,144.60
  4. Step 4: Simplify right side
    3,030.34x = 8,945,190.94
  5. Step 5: Solve for x
    x = 8,945,190.94/3,030.34
  6. Step 6: Final answer
    x = 2,951.88

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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.