Home / 3,917.57-5,868.45-2,182.55

Finding the Fourth Proportional to 3,917.57, 5,868.45 and 2,182.55

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Solution

The fourth proportional to 3,917.57, 5,868.45 and 2,182.55 is: 3,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.57 : 5,868.45 = 2,182.55 : x
  2. Step 2: Convert to fraction form
    3,917.57/5,868.45 = 2,182.55/x
  3. Step 3: Cross multiply
    3,917.57x = 5,868.45 × 2,182.55
  4. Step 4: Simplify right side
    3,917.57x = 12,808,156.21
  5. Step 5: Solve for x
    x = 12,808,156.21/3,917.57
  6. Step 6: Final answer
    x = 3,269.42

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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.