Home / 3,047.44-4,201.92-2,103.72

Finding the Fourth Proportional to 3,047.44, 4,201.92 and 2,103.72

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Solution

The fourth proportional to 3,047.44, 4,201.92 and 2,103.72 is: 2,900.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.44 : 4,201.92 = 2,103.72 : x
  2. Step 2: Convert to fraction form
    3,047.44/4,201.92 = 2,103.72/x
  3. Step 3: Cross multiply
    3,047.44x = 4,201.92 × 2,103.72
  4. Step 4: Simplify right side
    3,047.44x = 8,839,663.14
  5. Step 5: Solve for x
    x = 8,839,663.14/3,047.44
  6. Step 6: Final answer
    x = 2,900.68

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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.