Home / 2,559.65-3,839.45-2,211.92

Finding the Fourth Proportional to 2,559.65, 3,839.45 and 2,211.92

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Solution

The fourth proportional to 2,559.65, 3,839.45 and 2,211.92 is: 3,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.65 : 3,839.45 = 2,211.92 : x
  2. Step 2: Convert to fraction form
    2,559.65/3,839.45 = 2,211.92/x
  3. Step 3: Cross multiply
    2,559.65x = 3,839.45 × 2,211.92
  4. Step 4: Simplify right side
    2,559.65x = 8,492,571.37
  5. Step 5: Solve for x
    x = 8,492,571.37/2,559.65
  6. Step 6: Final answer
    x = 3,317.87

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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.