Home / 3,765.70-5,196.92-2,087.18

Finding the Fourth Proportional to 3,765.70, 5,196.92 and 2,087.18

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Solution

The fourth proportional to 3,765.70, 5,196.92 and 2,087.18 is: 2,880.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.70 : 5,196.92 = 2,087.18 : x
  2. Step 2: Convert to fraction form
    3,765.70/5,196.92 = 2,087.18/x
  3. Step 3: Cross multiply
    3,765.70x = 5,196.92 × 2,087.18
  4. Step 4: Simplify right side
    3,765.70x = 10,846,890.55
  5. Step 5: Solve for x
    x = 10,846,890.55/3,765.70
  6. Step 6: Final answer
    x = 2,880.44

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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.