Home / 3,765.83-5,195.79-2,348.87

Finding the Fourth Proportional to 3,765.83, 5,195.79 and 2,348.87

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Solution

The fourth proportional to 3,765.83, 5,195.79 and 2,348.87 is: 3,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.83 : 5,195.79 = 2,348.87 : x
  2. Step 2: Convert to fraction form
    3,765.83/5,195.79 = 2,348.87/x
  3. Step 3: Cross multiply
    3,765.83x = 5,195.79 × 2,348.87
  4. Step 4: Simplify right side
    3,765.83x = 12,204,209.28
  5. Step 5: Solve for x
    x = 12,204,209.28/3,765.83
  6. Step 6: Final answer
    x = 3,240.78

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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.