Home / 3,136.15-4,325.92-2,018.54

Finding the Fourth Proportional to 3,136.15, 4,325.92 and 2,018.54

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Solution

The fourth proportional to 3,136.15, 4,325.92 and 2,018.54 is: 2,784.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.15 : 4,325.92 = 2,018.54 : x
  2. Step 2: Convert to fraction form
    3,136.15/4,325.92 = 2,018.54/x
  3. Step 3: Cross multiply
    3,136.15x = 4,325.92 × 2,018.54
  4. Step 4: Simplify right side
    3,136.15x = 8,732,042.56
  5. Step 5: Solve for x
    x = 8,732,042.56/3,136.15
  6. Step 6: Final answer
    x = 2,784.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.