Home / 3,081.85-4,624.80-2,257.61

Finding the Fourth Proportional to 3,081.85, 4,624.80 and 2,257.61

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Solution

The fourth proportional to 3,081.85, 4,624.80 and 2,257.61 is: 3,387.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.85 : 4,624.80 = 2,257.61 : x
  2. Step 2: Convert to fraction form
    3,081.85/4,624.80 = 2,257.61/x
  3. Step 3: Cross multiply
    3,081.85x = 4,624.80 × 2,257.61
  4. Step 4: Simplify right side
    3,081.85x = 10,440,963.14
  5. Step 5: Solve for x
    x = 10,440,963.14/3,081.85
  6. Step 6: Final answer
    x = 3,387.89

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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.