Home / 3,899.05-5,373.19-2,835.73

Finding the Fourth Proportional to 3,899.05, 5,373.19 and 2,835.73

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Solution

The fourth proportional to 3,899.05, 5,373.19 and 2,835.73 is: 3,907.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.05 : 5,373.19 = 2,835.73 : x
  2. Step 2: Convert to fraction form
    3,899.05/5,373.19 = 2,835.73/x
  3. Step 3: Cross multiply
    3,899.05x = 5,373.19 × 2,835.73
  4. Step 4: Simplify right side
    3,899.05x = 15,236,925.50
  5. Step 5: Solve for x
    x = 15,236,925.50/3,899.05
  6. Step 6: Final answer
    x = 3,907.86

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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.