Home / 2,861.50-4,289.40-2,552.08

Finding the Fourth Proportional to 2,861.50, 4,289.40 and 2,552.08

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Solution

The fourth proportional to 2,861.50, 4,289.40 and 2,552.08 is: 3,825.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.50 : 4,289.40 = 2,552.08 : x
  2. Step 2: Convert to fraction form
    2,861.50/4,289.40 = 2,552.08/x
  3. Step 3: Cross multiply
    2,861.50x = 4,289.40 × 2,552.08
  4. Step 4: Simplify right side
    2,861.50x = 10,946,891.95
  5. Step 5: Solve for x
    x = 10,946,891.95/2,861.50
  6. Step 6: Final answer
    x = 3,825.58

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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.