Home / 3,011.19-4,517.62-1,257.02

Finding the Fourth Proportional to 3,011.19, 4,517.62 and 1,257.02

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Solution

The fourth proportional to 3,011.19, 4,517.62 and 1,257.02 is: 1,885.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.19 : 4,517.62 = 1,257.02 : x
  2. Step 2: Convert to fraction form
    3,011.19/4,517.62 = 1,257.02/x
  3. Step 3: Cross multiply
    3,011.19x = 4,517.62 × 1,257.02
  4. Step 4: Simplify right side
    3,011.19x = 5,678,736.97
  5. Step 5: Solve for x
    x = 5,678,736.97/3,011.19
  6. Step 6: Final answer
    x = 1,885.88

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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.