Home / 3,835.92-5,290.05-2,843.67

Finding the Fourth Proportional to 3,835.92, 5,290.05 and 2,843.67

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Solution

The fourth proportional to 3,835.92, 5,290.05 and 2,843.67 is: 3,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.92 : 5,290.05 = 2,843.67 : x
  2. Step 2: Convert to fraction form
    3,835.92/5,290.05 = 2,843.67/x
  3. Step 3: Cross multiply
    3,835.92x = 5,290.05 × 2,843.67
  4. Step 4: Simplify right side
    3,835.92x = 15,043,156.48
  5. Step 5: Solve for x
    x = 15,043,156.48/3,835.92
  6. Step 6: Final answer
    x = 3,921.66

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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.