Home / 3,305.30-4,534.11-3,126.54

Finding the Fourth Proportional to 3,305.30, 4,534.11 and 3,126.54

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Solution

The fourth proportional to 3,305.30, 4,534.11 and 3,126.54 is: 4,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.30 : 4,534.11 = 3,126.54 : x
  2. Step 2: Convert to fraction form
    3,305.30/4,534.11 = 3,126.54/x
  3. Step 3: Cross multiply
    3,305.30x = 4,534.11 × 3,126.54
  4. Step 4: Simplify right side
    3,305.30x = 14,176,076.28
  5. Step 5: Solve for x
    x = 14,176,076.28/3,305.30
  6. Step 6: Final answer
    x = 4,288.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.