Home / 2,771.14-4,156.56-1,039.62

Finding the Fourth Proportional to 2,771.14, 4,156.56 and 1,039.62

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Solution

The fourth proportional to 2,771.14, 4,156.56 and 1,039.62 is: 1,559.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.14 : 4,156.56 = 1,039.62 : x
  2. Step 2: Convert to fraction form
    2,771.14/4,156.56 = 1,039.62/x
  3. Step 3: Cross multiply
    2,771.14x = 4,156.56 × 1,039.62
  4. Step 4: Simplify right side
    2,771.14x = 4,321,242.91
  5. Step 5: Solve for x
    x = 4,321,242.91/2,771.14
  6. Step 6: Final answer
    x = 1,559.37

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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.