Home / 3,442.56-5,161.27-1,687.02

Finding the Fourth Proportional to 3,442.56, 5,161.27 and 1,687.02

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Solution

The fourth proportional to 3,442.56, 5,161.27 and 1,687.02 is: 2,529.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.56 : 5,161.27 = 1,687.02 : x
  2. Step 2: Convert to fraction form
    3,442.56/5,161.27 = 1,687.02/x
  3. Step 3: Cross multiply
    3,442.56x = 5,161.27 × 1,687.02
  4. Step 4: Simplify right side
    3,442.56x = 8,707,165.72
  5. Step 5: Solve for x
    x = 8,707,165.72/3,442.56
  6. Step 6: Final answer
    x = 2,529.27

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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.