Home / 3,102.56-4,653.84-2,517.92

Finding the Fourth Proportional to 3,102.56, 4,653.84 and 2,517.92

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Solution

The fourth proportional to 3,102.56, 4,653.84 and 2,517.92 is: 3,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.56 : 4,653.84 = 2,517.92 : x
  2. Step 2: Convert to fraction form
    3,102.56/4,653.84 = 2,517.92/x
  3. Step 3: Cross multiply
    3,102.56x = 4,653.84 × 2,517.92
  4. Step 4: Simplify right side
    3,102.56x = 11,717,996.81
  5. Step 5: Solve for x
    x = 11,717,996.81/3,102.56
  6. Step 6: Final answer
    x = 3,776.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.