Home / 3,899.92-5,844.48-2,799.40

Finding the Fourth Proportional to 3,899.92, 5,844.48 and 2,799.40

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Solution

The fourth proportional to 3,899.92, 5,844.48 and 2,799.40 is: 4,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.92 : 5,844.48 = 2,799.40 : x
  2. Step 2: Convert to fraction form
    3,899.92/5,844.48 = 2,799.40/x
  3. Step 3: Cross multiply
    3,899.92x = 5,844.48 × 2,799.40
  4. Step 4: Simplify right side
    3,899.92x = 16,361,037.31
  5. Step 5: Solve for x
    x = 16,361,037.31/3,899.92
  6. Step 6: Final answer
    x = 4,195.22

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1.5x scale

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.