Home / 2,285.56-3,428.34-1,131.04

Finding the Fourth Proportional to 2,285.56, 3,428.34 and 1,131.04

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Solution

The fourth proportional to 2,285.56, 3,428.34 and 1,131.04 is: 1,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.56 : 3,428.34 = 1,131.04 : x
  2. Step 2: Convert to fraction form
    2,285.56/3,428.34 = 1,131.04/x
  3. Step 3: Cross multiply
    2,285.56x = 3,428.34 × 1,131.04
  4. Step 4: Simplify right side
    2,285.56x = 3,877,589.67
  5. Step 5: Solve for x
    x = 3,877,589.67/2,285.56
  6. Step 6: Final answer
    x = 1,696.56

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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.