Home / 3,799.31-5,698.98-2,078.87

Finding the Fourth Proportional to 3,799.31, 5,698.98 and 2,078.87

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Solution

The fourth proportional to 3,799.31, 5,698.98 and 2,078.87 is: 3,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.31 : 5,698.98 = 2,078.87 : x
  2. Step 2: Convert to fraction form
    3,799.31/5,698.98 = 2,078.87/x
  3. Step 3: Cross multiply
    3,799.31x = 5,698.98 × 2,078.87
  4. Step 4: Simplify right side
    3,799.31x = 11,847,410.06
  5. Step 5: Solve for x
    x = 11,847,410.06/3,799.31
  6. Step 6: Final answer
    x = 3,118.31

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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.