Home / 3,331.24-4,998.12-1,383.28

Finding the Fourth Proportional to 3,331.24, 4,998.12 and 1,383.28

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Solution

The fourth proportional to 3,331.24, 4,998.12 and 1,383.28 is: 2,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.24 : 4,998.12 = 1,383.28 : x
  2. Step 2: Convert to fraction form
    3,331.24/4,998.12 = 1,383.28/x
  3. Step 3: Cross multiply
    3,331.24x = 4,998.12 × 1,383.28
  4. Step 4: Simplify right side
    3,331.24x = 6,913,799.43
  5. Step 5: Solve for x
    x = 6,913,799.43/3,331.24
  6. Step 6: Final answer
    x = 2,075.44

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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.