Home / 3,480.05-4,799.81-2,995.79

Finding the Fourth Proportional to 3,480.05, 4,799.81 and 2,995.79

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Solution

The fourth proportional to 3,480.05, 4,799.81 and 2,995.79 is: 4,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.05 : 4,799.81 = 2,995.79 : x
  2. Step 2: Convert to fraction form
    3,480.05/4,799.81 = 2,995.79/x
  3. Step 3: Cross multiply
    3,480.05x = 4,799.81 × 2,995.79
  4. Step 4: Simplify right side
    3,480.05x = 14,379,203.31
  5. Step 5: Solve for x
    x = 14,379,203.31/3,480.05
  6. Step 6: Final answer
    x = 4,131.90

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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.