Home / 2,839.20-4,262.58-2,226.84

Finding the Fourth Proportional to 2,839.20, 4,262.58 and 2,226.84

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Solution

The fourth proportional to 2,839.20, 4,262.58 and 2,226.84 is: 3,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.20 : 4,262.58 = 2,226.84 : x
  2. Step 2: Convert to fraction form
    2,839.20/4,262.58 = 2,226.84/x
  3. Step 3: Cross multiply
    2,839.20x = 4,262.58 × 2,226.84
  4. Step 4: Simplify right side
    2,839.20x = 9,492,083.65
  5. Step 5: Solve for x
    x = 9,492,083.65/2,839.20
  6. Step 6: Final answer
    x = 3,343.22

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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.