Home / 3,383.11-5,075.03-917.97

Finding the Fourth Proportional to 3,383.11, 5,075.03 and 917.97

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Solution

The fourth proportional to 3,383.11, 5,075.03 and 917.97 is: 1,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.11 : 5,075.03 = 917.97 : x
  2. Step 2: Convert to fraction form
    3,383.11/5,075.03 = 917.97/x
  3. Step 3: Cross multiply
    3,383.11x = 5,075.03 × 917.97
  4. Step 4: Simplify right side
    3,383.11x = 4,658,725.29
  5. Step 5: Solve for x
    x = 4,658,725.29/3,383.11
  6. Step 6: Final answer
    x = 1,377.05

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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.