Home / 3,153.87-4,351.19-1,827.09

Finding the Fourth Proportional to 3,153.87, 4,351.19 and 1,827.09

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Solution

The fourth proportional to 3,153.87, 4,351.19 and 1,827.09 is: 2,520.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.87 : 4,351.19 = 1,827.09 : x
  2. Step 2: Convert to fraction form
    3,153.87/4,351.19 = 1,827.09/x
  3. Step 3: Cross multiply
    3,153.87x = 4,351.19 × 1,827.09
  4. Step 4: Simplify right side
    3,153.87x = 7,950,006.60
  5. Step 5: Solve for x
    x = 7,950,006.60/3,153.87
  6. Step 6: Final answer
    x = 2,520.71

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1.5x scale

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.